David A Adler

When she notices some bones missing from a dinosaur skeleton exhibited in the museum, a young girl with a photographic memory tries to discover who has been taking them and why.

With the big game coming up, Mo Jackson, the shortest member of the basketball team, is determined to learn how to pass the ball in time to help his team win.

Fifth-grader Cam Jansen uses her photographic memory to help find a pickpocket at the circus.

Cam helps her friend Eric when he misplaces his permission slip to go on the school field trip.

Ten-year-old Cam, possessor of a photographic memory, and her friend Eric investigate what seems to be a brief appearance of UFOs.

Herman "Houdini" Foster and his cousin Janet discover that what seems to be a case of thwarted coat theft is something much more serious.

Cam and her friend Eric chase the thief of Aunt Katie's wallet through an amusement park and find themselves involved in another case requiring their special detective skills.

While Cam's Aunt Molly is competing in a comedy contest, the expensive plate the winner will receive disappears and Cam and Eric set out to find it before the contest is over.

When fifth-grader Cam notices that the prizes for the most difficult game at the school carnival are rapidly disappearing, she uses her amazing photographic memory to investigate.

Danny is not sure what to make of Calvin Waffle, a quirky and smart new fourth grader, but when Danny convinces Calvin to use his brain power to help the baseball team, they both have a chance to become heroes.