Ron Roy

KC and Marshall are spending their day volunteering at the National Zoo, helping take care of the adorable baby tigers! While working, they meet a new friend named Sunwoo, who is visiting all the way from China. Sunwoos father has brought an incredibly rare and valuable jewel, the Tigers Eye, to display at a big zoo party. The glittering jewel is locked inside a highly secure room with no windows and a guard standing right at the door. But right in the middle of the crowded celebration, the building goes completely dark! When the lights finally flicker back on, the glass case is totally empty. The priceless Tigers Eye has been stolen, and nobody saw a thing. The young detectives are determined to figure out how the sneaky crook managed to escape from a locked room. Join KC and Marshall as they search the zoo for clues and question everyone who was at the party. You will need a sharp mind to help them crack this impossible puzzle. Can they catch the clever thief and recover the gem? Get ready to explore the zoo and solve the crime!

Camping out on the White House lawn is already an unforgettable experience, but KC and Marshall are about to stumble into a massive historical puzzle! Late at night, the two friends spot strange, flickering lights shining from the very top of the Washington Monument. The massive stone tower is supposed to be completely empty and locked up tight until morning. The mystery becomes even wilder the next day when a live monkey is discovered running loose inside the famous building! KC and Marshall know that glowing lights and escaped animals are the perfect ingredients for a major investigation. Their search for answers quickly leads them straight into a one hundred year old legend involving a clever jewel thief and a stash of long lost diamonds. Join the young detectives as they explore the towering monument and piece together clues that have been hidden for a century. You will need to think like a historian to help them track down the ancient treasure. Can KC and Marshall solve the puzzle before the missing diamonds disappear forever? Dive into this historical adventure and find out!

The holiday season is approaching, and a massive flock of one hundred and seventeen beautiful birds is gathered on the National Mall. KC and her friend Marshall are thrilled that all these feathered friends are going to be set free to live happily in the wild. But when the sun rises the next morning, the entire flock has vanished! Someone has sneaked in and taken every single bird right from the center of Washington D.C. KC and Marshall know they have to work fast to track them down. Help the young detectives search the capital city, follow the trail of feathers, and bring all the birds safely back where they belong!

The President of the United States is hosting a massive, important celebration at the Lincoln Memorial, and KC and Marshall are right in the middle of the excitement. They are helping to honor the talented, famous sculptor who created the massive marble statue of the former president. But as they look closely at Abraham Lincoln's giant hands, they notice something terrible has happened. The giant left thumb has been completely broken off and stolen by an unknown vandal. With the big, televised ceremony quickly approaching, the two best friends have to spring into immediate action. Join KC and Marshall as they race frantically across Washington DC to track down the missing marble thumb before it is too late to fix the statue. You will get to explore famous national monuments and piece together the clever clues to save the historic celebration from total disaster.

The sky over Washington D.C. is lit up with bright colors for the Fourth of July! KC and her friend Marshall are enjoying the spectacular fireworks show right alongside the President of the United States. But suddenly, they notice smoke and sparks coming from a place they definitely should not be. There are extra fireworks launching directly from the roof of the FBI Building! The kids quickly realize this is not a harmless prank. The loud explosions are being used to cover up a much bigger capital crime. Team up with KC and Marshall to investigate the noisy clues and stop the culprits in their tracks.

You are watching the news when you notice something extremely strange. The President of the United States is acting totally awkward on television, and he is even signing papers with the wrong hand! For KC Corcoran, there is only one logical explanation for this bizarre behavior. The real president has been replaced by a clone! Now KC and her best friend Marshall have a giant mystery on their hands. They must explore the famous sights of Washington D.C. to uncover the truth and save the country. Can you figure out the clues before it is too late? Join the adventure in this fun, fact-filled mystery that takes you right into the heart of the capital city.

Excitement is filling the air because KC's mom is about to marry the President of the United States! KC wants every single detail of the big wedding to be absolutely perfect and totally private. But there is a major problem. Someone keeps leaking all the top-secret wedding plans to the news! The newspapers even printed the exact location where the president and his new bride are going for their private getaway. KC and Marshall realize there must be a sneaky spy hiding somewhere inside the White House. You get to follow along as they search the famous building and try to catch the secret-stealer before the wedding is ruined.

You are exploring the biggest and most amazing museum in the world! KC and her friend Marshall are visiting the famous Smithsonian in Washington D.C., looking at all the incredible exhibits. Suddenly, a man named Leonard Fisher makes a shocking announcement. He claims that the money used to build the museum a hundred years ago actually belongs to his family, and now he wants the entire Smithsonian for himself! KC and Marshall are positive this man is telling a massive lie. They must dig through the museum's fascinating past to prove he is a phony. Help them uncover the truth before the entire country loses its favorite museum forever.

KC and Marshall are taking a fascinating, behind-the-scenes tour of the highly secure United States Treasury building in Washington DC. They get to watch heavy, loud printing presses stamp out stacks and stacks of crisp new money for the country. But the educational tour takes a shocking turn when someone suddenly realizes that a thick bundle of hundred-dollar bills has completely vanished from the room. Somehow, a clever and daring thief managed to sneak one hundred thousand dollars past high-tech security cameras, armed guards, and heavy locked doors. KC already has a strong suspect in mind, and she just needs to carefully prove exactly how they pulled off this seemingly impossible heist. Team up with the young detectives to examine the high-security building and crack the difficult case. You will learn fun facts about the nation's capital while solving a brilliant financial crime.

The beautiful Cherry Blossom Festival is in full swing, and everyone in Washington D.C. is having a fantastic time. KC Corcoran is enjoying the bright pink flowers right alongside her mom and the President of the United States. But the fun stops instantly when both the president and KC's mom completely disappear from the crowded festival! They have been kidnapped right out in the open. KC and her best friend Marshall are the only ones who can unravel this giant mystery. Follow the young detectives as they race around the capital city to rescue their loved ones in this action-packed adventure.