David A. Adler

Going to a birthday party is always a blast, especially when there are fun games to play! Cam Jansen and her friend Eric are having a great time celebrating with their classmates. The best part of the party is a special guessing game featuring a giant glass jar packed to the brim with tiny toy dinosaurs. Whoever guesses the exact number of dinosaurs gets to take the whole jar home! But right after a wild game of musical chairs, the host realizes someone has secretly opened the jar and changed the number of toys inside. The only clue left behind is a suspicious smudge of chocolate cake. Luckily, Cam has her amazing photographic memory ready to go. With a quick Click! she can remember exactly who was standing near the prize table. Can Cam put the clues together and solve this sweet birthday puzzle before the party is over?

Batter up for a brand-new mystery with Cam Jansen! When a friendly game of baseball gets interrupted by a missing ball, everyone is stumped. Where could it have gone? Luckily, fifth-grade super-sleuth Cam Jansen is on the field, and she has a secret weapon: her amazing photographic memory! With a simple "click" of her mind, Cam can perfectly recall exactly where the ball was last seen and who was standing nearby. Now, she just has to follow the clues and track down the missing baseball so the game can go on. Perfect for young readers who are transitioning to chapter books, this fast-paced and fun detective story combines the excitement of sports with the thrill of solving a puzzle. Can you crack the case before Cam does?

Cam Jansen has a secret weapon that makes her the best detective in school. She has a photographic memory, which means she can remember every single detail of everything she sees, just like a camera taking a picture! All she has to do is say Click! and the clues are locked in her mind. Today, her amazing memory is being put to the ultimate test. Her classmate Annie just lost a tooth right in the middle of the school day, but before she can put it safely away, the tooth completely vanishes. Now Annie is worried the tooth fairy will skip her house. Cam knows she has a picture in her head of the classroom, but does she have the exact clue she needs to track down the missing tooth? Join Cam on a fun, fast-paced investigation to save the day.

Bundle up and get ready for a chilly adventure with your favorite young detective! Cam Jansen and her best friend Eric are thrilled to spend the day gliding across the ice at the local skating rink. But the winter fun comes to a sudden stop when Eric realizes he has lost the key to their locker. Without the key, they cannot get their shoes or their snacks! Where could it have possibly fallen? Luckily, Cam has a secret weapon: her amazing photographic memory. With a quick click of her mind, Cam springs into action, carefully retracing their steps and searching for clues around the busy rink. Can she piece together the puzzle and find the missing key before their skating trip is ruined? Perfect for early readers, this exciting mini-mystery shows that a sharp mind and great teamwork can solve any problem!

A delicious dessert has vanished, and it is up to the school's best detective to find it! Cam Jansen knows that a tricky mystery can pop up anywhere, even right in the middle of the noisy school cafeteria. When her classmate Jason eagerly opens his lunch box to enjoy his favorite treat, he makes a shocking discovery. His delicious cookie is completely gone, leaving nothing behind but a few tiny crumbs! Who would take a classmate's snack? Luckily, Cam is sitting right nearby. With a quick click her amazing photographic memory springs into action. She carefully scans the lunchroom, looking for clues and interviewing hungry suspects. Can Cam piece together the crumbly evidence and solve the case before lunch period is over? Perfect for early readers, this fun and fast-paced story proves that no puzzle is too small for a smart thinker with a great memory!

A trip to the library is about to turn into a real-life puzzle! Cam Jansen, her father, and her best friend Eric are excited to check out some great books. Cam even finds a thrilling mystery to read. But before she can open the first page, she realizes she has a real mystery to solve right there in the library! Her father's important shopping list has completely vanished. Without it, they will not know what to buy at the store. It is time for Cam to use her amazing investigative skills. With a quick click she puts her famous photographic memory into action. Where was the list seen last, and where could it possibly be hiding among the tall bookshelves? Perfect for early readers, this fun and fast-paced mini-mystery proves that you do not need to look far to find an exciting adventure!