David A. Adler

Danny Cohen and Calvin Waffle are two very different kids. Danny likes playing baseball; Calvin enjoys strange experiments. Danny follows the rules at school; Calvin tries to drive his teacher crazy. Danny and Calvin decide to team up for the big jelly bean experiment....

No mystery is too great for super-sleuth Cam Jansen and her amazing photographic memory! Mysteries follow super-sleuth Cam Jansen everywhere she goes...even to the museum. Cam and her class are on a fild trip at the museum when Cam discovers that some bones are missing from a dinosaur skeleton...

No mystery is too great for super-sleuth Cam Jansen and her amazing photographic memory! Mysteries follow super-sleuth Cam Jansen everywhere she goes...even to the community hobby show. Cam and Eric are checking out a sports memorabilia booth when a baseball autographed by Babe Ruth disappears...

No mystery is too great for super-sleuth Cam Jansen and her amazing photographic memory! Mysteries follow super-sleuth Cam Jansen everywhere she goes...even to a park with U.F.O.s in sight! Cam and Eric see flashing lights in the sky, and everyone thinks aliens have landed. But Cam knows there's...

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...

When Aunt Molly's wallet is stolen at the circus, Cam suspects that there's something not-too-funny going on under the big top. Is one of the clowns really a criminal?...

No mystery is too great for super-sleuth Cam Jansen and her amazing photographic memory! Can Cam help catch the diamond thief? Cam and her friend Eric are sitting at the mall when the jewelry store is robbed. Cam sees the thief, but the police arrest the wrong person. Now it's up to Cam to catch...

Cam's box camera disappears from the science fair, and valuable gold coins are missing from a coin shop. Can Cam's mental camera help catch the thief?...

There's nothing like a good monster movie--except when the second reel gets stolen. It's up to Cam and her friend Eric to piece together clues that leave everyone else in the dark. Illustrated...

No mystery is too great for super-sleuth Cam Jansen and her amazing photographic memory! Mysteries follow super-sleuth Cam Jansen everywhere she goes...even to a book signing. Cam is waiting in line for a book "pawtograph" from famous TV dog Poochie when he mysteriously disappears and is...

No mystery is too great for super-sleuth Cam Jansen and her amazing photographic memory! Mysteries follow super-sleuth Cam Jansen everywhere she goes...even to the zoo. When a few monkeys suddenly go missing from their cage, Cam is sure she knows how the thief took them. Can she find the missing...

Cam Jansen and her best friend, Eric Shelton, are at a charity function with their mothers to raise money for local firefighters. When the host's pearl necklace goes missing, the luncheon turns into a whodunit, and all the guests are suspects. Can Cam use her photographic memory to identify the...

What's a contest without a prize? Aunt Molly has entered a joke-telling contest at a local comedy club, and Cam; her best friend, Eric; and Mr. Jansen are in the audience to watch her perform. The prizes are exciting, but the competition is stiff - there's a prop comic, a knock-knock joker, and...

When Cam and Eric go on a field trip to the museum with their fifth grade class, Cam - with her photographic memory - makes an interesting discovery: dinosaur bones are missing from one of the exhibits. When no one believes them, they decide to catch the thieves themselves. As they stake out the...

Cam and her friend Eric are selling chocolate fudge and rice cakes door-to-door for charity. Eric can’t remember what to tell the customers. But Cam has no trouble. She simply looks at the speech and says "click". Then she stores a picture of it in her mind. When Cam sees a woman coming from a...