David A. Adler

Jump in! Meet Cam Jansen! Her real name is Jennifer, but everyone calls her Cam because she has an amazing "camera" memory. That means she can look at something once and remember every tiny detail, just like a photograph! She's visiting the museum with her best friend, Eric, and they're excited to see the giant dinosaur skeleton. But wait, something isn't quite right. What's the mystery? As Cam looks closely at the mighty dinosaur display, she notices something strange. Some of the bones are missing! Who would take parts of a dinosaur skeleton, and why? Cam uses her super memory to picture the skeleton before it was changed. She starts looking for clues and trying to put the pieces of this puzzling mystery together. Why it pulls you in! Join Cam and Eric as they search for the missing bones and try to uncover the secret behind this museum mix-up. Can Cam's amazing memory help them figure out who the culprit is before it's too late? Get ready for a thrilling adventure filled with clues, suspense, and a fantastic dinosaur mystery to solve!

A trip to the mall turns into a thrilling investigation for fifth-grade detective Cam Jansen! Cam and her best friend Eric are super excited to visit the local music store and pick up the latest CD from their favorite band, the Triceratops Pops. But the music stops when a sneaky crime takes place right under their noses. Fortunately, the thief doesn't know about Cam's secret weapon: her amazing photographic memory! By simply saying "click," Cam can perfectly recall every detail of the busy store, the suspects, and the missing items. Can she and Eric piece together the clues and catch the culprit before they escape the mall? Perfect for young readers transitioning to chapter books, this fast-paced mystery is packed with teamwork, clever deductions, and plenty of fun.

Pack your bags and get ready for an unforgettable adventure in the great outdoors! Super-sleuth Cam Jansen and her best friend Eric are heading off to spend three exciting weeks at Camp Eagle Lake. They are ready for a perfect summer filled with swimming in the cool water, paddling canoes, playing sports, and making plenty of new friends around the campfire. But it turns out that mysteries follow Cam everywhere she goes, even into the woods! Strange things start happening around the campgrounds, and the camp counselors are completely stumped. Fortunately, Cam brought her secret weapon: her amazing photographic memory. By simply saying Click! she can remember every single detail of the camp, from the mess hall to the hiking trails. Now, Cam must balance her summer fun with some serious detective work. Join Cam and Eric as they search for clues, solve tricky puzzles, and make sure this is the most thrilling summer camp experience ever!

Birthdays are usually filled with cake, presents, and fun, but for Cam Jansen, this special day comes with a brand-new mystery to solve! Cam is thrilled to be celebrating her birthday with her family and friends. But the festive mood is ruined when her grandparents arrive at the surprise party with terrible news. On their way to the celebration, they were robbed! Someone has stolen their belongings, and the thief is still out there. Fortunately, the culprit does not know they just messed with the best young detective in town. Cam has an amazing photographic memory. With a simple Click! she can recall every detail she sees, storing clues in her mind like a camera. Now, she must put her birthday cake on hold and use her incredible skills to track down the thief and get her grandparents' stolen items back. Can you spot the clues hidden in the story before Cam does? Join the investigation and help save the birthday celebration!

A relaxing boat ride around the city quickly turns into a high-stakes investigation for super-sleuth Cam Jansen. While enjoying the sights from the deck, Cam and her best friend Eric realize a terrible crime has just taken place. A wealthy passenger's beloved poodle, wearing a very expensive and sparkly jewel-encrusted collar, has suddenly vanished. It is clear that this is no accident, and a sneaky dognapper is hiding somewhere on board. With the boat surrounded by water, the thief cannot get far, but time is running out to find the missing pooch. You will need to follow along closely as Cam says click to lock the scene into her amazing photographic memory. See if you can spot the hidden clues and help Cam track down the thief before the boat docks and the culprit escapes. This exciting puzzle is packed with fast-paced detective work and clever surprises.

Do you love a good mystery? Get ready to meet Cam Jansen, a super-smart ten-year-old with an amazing secret power: a photographic memory! That means she can remember everything she sees in perfect detail, just like a camera takes a picture. When some strange flying objects appear in the sky, everyone starts talking about UFOs. But Cam and her best friend, Eric, think there might be another explanation. Join them as they put Cam's incredible memory to the test, looking for tiny clues and piecing together puzzles that others might miss. Can Cam and Eric solve the puzzling mystery of the unidentified flying objects before it’s too late? Get ready for an exciting adventure where every detail counts!

A blanket of fresh white snow has covered the city, but the cold weather is not enough to freeze the brilliant mind of Cam Jansen. When Cam arrives at school on a freezing winter morning, she discovers a shocking crime has taken place right under everyone's noses. Several valuable computers have been stolen from the school, and the thief has left very few traces behind. Now, Cam and her best friend Eric must brave the freezing temperatures to track down the culprit. You can join the investigation as Cam uses her famous photographic memory to scan the snowy scene for the smallest details that the police might have missed. Will the melting snow wash away the evidence, or can you help Cam piece together the puzzle in time? Bundle up and get ready for a chilly, thrilling adventure full of unexpected twists and clever detective work.

A purr-fectly puzzling crime has just taken place, and only one young detective has the skills to solve it! When a beloved neighborhood cat mysteriously vanishes, everyone is worried sick. Was the furry friend simply lost, or is this a sneaky case of catnapping? Luckily, Cam Jansen is on the scene. Armed with her incredible photographic memory, Cam is ready to sniff out the truth. With a quick click of her mind, she memorizes every detail, from suspicious footprints to strange shadows in the alleyway. Alongside her best friend Eric, Cam must follow the tricky trail of clues to bring the missing pet home safely. Perfect for young readers transitioning to chapter books, this fast-paced mystery is packed with twists, turns, and plenty of feline fun. Can Cam crack the case before the culprit gets away? Jump into the investigation and find out!

Waiting in line for concert tickets is usually pretty boring, but not when you are standing next to a super-sleuth! Cam Jansen, her best friend Eric, and her Aunt Molly are just trying to buy tickets for an upcoming show when things take a spooky turn. Suddenly, a person dressed in a creepy ghost costume appears and starts scaring the people in line. The ghost startles an older man so badly that he falls down, causing a huge distraction. In the middle of all the chaos, the woman working inside the ticket booth is robbed! The police are baffled, but Cam knows this is no ordinary haunting. She has a photographic memory, and with a quick Click! she can remember every single detail of the crowded scene. Now, Cam must figure out the connection between the scary ghost and the stolen money. Join Cam and Eric as they piece together the clues and catch a very clever thief in this thrilling chapter book mystery.

Get ready to solve a brand new case with the girl who has an amazing photographic memory! Cam Jansen and her classmates are celebrating Green Day, and their school is working hard to protect the environment. For every can and bottle the students bring in to recycle, the school earns a shiny nickel to help pay for new skylights. But the eco-friendly fun comes to a sudden halt when all the collected money mysteriously disappears. Everyone suspects the nickels were stolen, but who would take them? Now it is up to Cam and her best friend Eric to track down the missing coins. With a quick click of her mind, Cam is on the case. Can she use her incredible memory to piece together the clues and catch the thief before it is too late? Jump into this exciting puzzle and see if you can solve the mystery alongside Cam!

A busy day of shopping turns into a thrilling chase for the neighborhood's best young detective! Cam Jansen and her best friend Eric are at Binky's Department Store, trying to get their back-to-school shopping done. But the crowded aisles are full of surprises. Suddenly, a frantic customer realizes that his shopping bag containing a brand-new corn popper has been snatched right out from under his nose! Who would steal a popcorn machine in the middle of a busy store? Cam knows she cannot just walk away from a crime. Putting her own shopping on hold, she says click and locks the scene into her amazing photographic memory. With Eric by her side, Cam races through the department store, dodging shoppers and hunting down clues. Can she outsmart the sneaky thief before they make a clean getaway? Jump into this fast-paced chapter book and help Cam crack the case!

The school carnival is finally here, and it is packed with exciting rides, delicious treats, and fun games. Cam Jansen and her best friend Eric are having a blast exploring all the booths. But when Cam stops to watch the hardest game at the carnival, she notices something very strange. The best prizes are rapidly disappearing, and it does not look like anyone is actually winning them! Someone is sneaking away with the carnival's top rewards, and it is up to Cam to figure out how they are pulling it off. Luckily, Cam has the ultimate detective tool: a photographic memory. By simply saying Click! she can lock an image of the carnival crowd directly into her mind. Now, she must sift through her mental pictures to spot the sneaky thief before all the prizes are gone for good. Step right up and join Cam on a thrilling investigation filled with clever clues, quick thinking, and carnival fun.

The first day of school is always full of surprises, but Cam Jansen is about to have the wildest morning ever! It is the start of fifth grade, and Cam and her best friend Eric cannot wait to meet their brand-new teacher. But before they even reach the classroom, everything goes wrong. First, their school bus gets hopelessly stuck in traffic, forcing them to walk. Then, they witness a car crashed right into a tree! Just when they think things cannot get any crazier, they arrive at school only to see their new teacher being taken away by the police! What on earth is going on? Click! says Cam, locking the chaotic scenes into her amazing photographic memory. Her mind is instantly off and running, determined to untangle this massive puzzle. Jump into this action-packed chapter book and see if you can help Cam solve the ultimate back-to-school mystery!

No mystery is too wild for super-sleuth Cam Jansen! When Cam and her friend Eric visit the local zoo, they expect a fun day of looking at their favorite animals. But trouble strikes when a few playful monkeys suddenly vanish from their cage. The police are stumped, but Cam is already on the case. Thanks to her amazing photographic memory, she remembers exactly what the monkey house looked like before the theft. With a quick "click" of her mind, Cam spots the clues that everyone else missed. Can she track down the clever thief and rescue the missing monkeys before they are gone forever? This fast-paced, engaging chapter book is perfect for newly independent readers who love solving puzzles, outsmarting the bad guys, and following a spunky heroine on a thrilling adventure.

The airport is bustling with travelers, but super-sleuth Cam Jansen is focused on one thing: a brand-new mystery! While waiting with her friend Eric to greet Aunt Molly at the arrivals gate, Cam notices a young French girl who doesn't speak a word of English. When the girl suddenly disappears into the massive, crowded terminal, panic sets in. How can you find someone who is lost in a sea of people? Luckily, Cam has a secret weapon—her amazing photographic memory! With a quick "click" of her mind, she recalls exactly what the missing girl was wearing and where she was last seen. Now, the race is on to navigate the busy airport and bring the girl safely back to her parents. This exciting chapter book delivers fast-paced detective work perfect for newly independent readers.

Grab your detective gear and get ready for a sporty puzzle! Cam Jansen and her best friend Eric are back at school, where their gym teacher, Mr. Day, has just had his office walls freshly painted. But when Cam takes a closer look, she notices that the bright new paint color is not the only thing that has changed. Mr. Day's prized tennis trophy has completely vanished from its usual spot! Who could have taken such an important award, and where could it be hiding? With her amazing photographic memory, Cam is the perfect person to crack the case. Say click along with Cam as she begins collecting clues, interviewing suspects, and piecing together the facts of this tricky tennis mystery. Perfect for young readers transitioning to chapter books, this fast-paced adventure proves that no secret can stay hidden for long when Cam Jansen is on the case!

Get ready for a slithering good time with super-sleuth Cam Jansen! When Cam and her friend Eric head out for a fun day, they never expect to stumble into a mystery involving a very scary snake. But when trouble strikes and things go missing, Cam knows exactly what to do. Using her incredible photographic memory, she says "click" and instantly remembers every single detail of the scene. Now, she must bravely follow the clues, outsmart the suspects, and solve the puzzle before the trail goes cold. Perfect for newly independent readers, this classic chapter book is packed with suspense, teamwork, and clever detective work. Young readers will love trying to piece together the clues right alongside their favorite spunky heroine!

Meeting a famous celebrity is always thrilling, especially when that celebrity has four paws and a wagging tail! Cam Jansen and her best friend Eric are waiting in a long line at a local bookstore to get a special pawtograph from Poochie, the most famous dog on television. Everyone is excited to see the talented pup in person. But when it is finally Cam's turn to meet the star, she notices something is terribly wrong. The dog sitting at the table looks like Poochie, but Cam's sharp eyes catch a few hidden differences. The real television star has mysteriously vanished and been replaced by a clever imposter! Where did the real Poochie go, and who would want to kidnap a famous dog? Thankfully, Cam has her amazing photographic memory to help crack the case. With a quick Click! she remembers every detail of the bookstore crowd. Join Cam as she sniffs out the clues and tracks down the missing canine star.

No mystery is too tricky for super-sleuth Cam Jansen and her amazing photographic memory! Cam and her best friend Eric are going door-to-door in their neighborhood, selling chocolate fudge to raise money for the local library. But their sweet fundraiser turns into a serious investigation when Cam notices something very strange: a house that is supposed to be completely empty has a trash can full of garbage outside. Could someone be hiding inside the vacant house? With a quick "click" of her mind, Cam begins to piece together the clues. Now, she and Eric must uncover the truth behind the mysterious house before it's too late. This classic chapter book is perfect for newly independent readers who love following a smart, spunky heroine on a thrilling neighborhood adventure.

Meet Cam Jansen, the fifth-grade detective who never forgets a clue! While hanging out at the shopping mall with her best friend Eric, Cam witnesses a daring robbery at the local jewelry store. The police quickly arrive and make an arrest, but Cam knows they have the wrong person. How? Because her brain works just like a camera! With a simple "click," she can recall every single detail of the real thief's face and escape route. Now, it is up to Cam and Eric to track down the true criminal and recover the stolen diamonds before it is too late. Packed with suspense, teamwork, and clever deduction, this classic chapter book is an exciting introduction to the beloved mystery series. Young readers will love trying to piece together the clues right alongside Cam!

Get ready to crack a shiny new case with the girl who never forgets a clue! Cam Jansen has an amazing photographic memory, and she uses it to solve the trickiest puzzles around. When her important science fair project suddenly goes missing, Cam knows she has to find it fast. But as she searches for her lost project, she accidentally stumbles upon something even more surprising: two highly valuable gold coins! Where did these mysterious coins come from, and who do they really belong to? What started as a simple search for schoolwork quickly turns into a thrilling treasure hunt. With a quick click of her mind, Cam gathers the clues and sets out to uncover the truth. Perfect for young readers making the leap to chapter books, this fast-paced adventure is packed with suspense, smart thinking, and a spunky heroine you will love cheering for!

Going to the movie theater is supposed to be a fun and relaxing weekend treat, especially when you are about to watch a classic monster movie. Cam Jansen, her best friend Eric, and her mother are all settled into their seats with their popcorn, ready to be spooked. But right in the middle of the most exciting part of the film, the screen suddenly goes completely dark. The theater manager announces that an entire reel of the movie has mysteriously vanished from the projection room! Without it, no one will ever know how the monster story ends. Fortunately, the theater has a super-sleuth in the audience. Cam Jansen has an amazing photographic memory. By simply saying Click! she can remember every single detail she has seen, just like a camera. Now, Cam must use her incredible mind to track down the missing film reel before the thief escapes the building. Join Cam and Eric as they search for clues in the dark and solve a thrilling Hollywood mystery.

Step right up to the greatest and most puzzling show on earth! Cam Jansen and her best friend Eric are thrilled to spend the day under the big top at the circus. They cannot wait to see the acrobats, the animals, and the hilarious clowns. But the fun takes a sudden turn when a sneaky pickpocket starts stealing from the people in the crowd! With so many costumes and distractions, the thief thinks they can easily get away with the crime. They did not count on Cam Jansen being in the audience! With a quick click of her mind, Cam locks the chaotic circus scenes into her amazing photographic memory. Now, she must sift through the colorful clues to track down the culprit hiding among the performers. Perfect for young readers making the leap to chapter books, this thrilling mystery proves that Cam's brain is the best act in town!

Mysteries seem to follow super-sleuth Cam Jansen everywhere she goes, and the community hobby show is no exception. Cam and her best friend Eric are having a great time checking out all the fascinating collections on display. They are especially amazed by a sports memorabilia booth featuring a highly valuable baseball autographed by the legendary player Babe Ruth. But the fun comes to a sudden halt when the priceless baseball completely disappears from the table. The police are called, but the thief has vanished into the crowded room. Fortunately, Cam has a secret weapon. Her amazing photographic memory allows her to remember every single detail she sees, just like a camera. By simply saying Click! she can recall exactly who was standing near the booth before the ball went missing. Now, Cam and Eric must race against the clock to piece together the clues and catch the culprit. Get ready for a thrilling investigation full of quick thinking and clever detective work.

Click, click! That is the sound of Cam Jansen's amazing photographic memory locking in another clue. You and your friends can join the famous super-sleuth on a special Valentine's Day adventure that takes her far away from the classroom. Cam's mother is about to have a new baby, so Cam and her best friend Eric rush to the hospital waiting room to meet the newest member of the family. But even in a busy hospital, a mystery manages to find them. When something very valuable suddenly goes missing from the waiting room, the celebration turns into an investigation. Can Cam use her sharp eyes and incredible memory to piece together the clues before her new sibling arrives? You will need to pay close attention to every detail to keep up with Cam in this exciting case. This story is perfect for readers who love putting clues together and solving puzzles alongside a smart, fast-thinking detective.

Step into the spotlight with Cam Jansen, the fifth-grade super-sleuth with an amazing photographic memory! It is time for the big school play about Abraham Lincoln, and everyone is excited for the curtain to rise. But the excitement quickly turns to panic when the box office admission money suddenly vanishes. Who would steal from the school play? Fortunately, Cam is on the case. With a simple "click" of her mind, she can remember every single detail she sees. Now, she must piece together the clues and track down the missing money before the clever thief makes a clean getaway. Perfect for young readers transitioning to chapter books, this classic mystery combines relatable school life with fast-paced detective work. Can you solve the puzzle before Cam does?

No puzzle is too tricky for super-sleuth Cam Jansen and her amazing photographic memory! When Cam, her best friend Eric, and her aunt and uncle visit an exciting amusement park, they expect a day full of thrilling rides and fun games. But trouble strikes right after they brave the spooky Haunted House. Aunt Katie suddenly realizes her wallet is completely gone! Did it simply fall out in the dark, or was it snatched by a sneaky thief? Cam is absolutely convinced that this is the start of a brand new, spooky mystery. With a quick click to lock the clues in her mind, Cam springs into action to track down the missing wallet. Follow along as she races through the busy amusement park, piecing together the evidence. Perfect for young detectives making the leap to chapter books, this thrilling adventure will keep you guessing until the very end!