David Adler

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.

Fifth-grade sleuth Cam Jansen uses her photographic memory to catch a thief during a department store sale.

When a special autographed basketball is stolen, Cam Jansen uses her photographic memory to identify the thief.

A fifth-grader with a photographic memory and her friend Eric help solve the mystery of the stolen diamonds. When a jewelry store is robbed, fifth-grader Jennifer Jansen knows she has to act fast. Nicknamed "The Camera" because of her photographic memory, Cam takes special care to remember what each person looks like as they leave the store. The police are baffled when witnesses say they have caught the wrong man. Cam and her friend Eric want to...

Traces the life and achievements of the architect, bibliophile, president, and author of the Declaration of Independence.

When Cam's grandparents are robbed on their way to her parents' surprise birthday party, Cam uses her photographic memory to solve the mystery.

Fifth-grader Cam uses her photographic memory, with help from her friend Eric and his twin sisters, to solve the mystery of Poochie, a famous canine television star.

Traces the life of the young Jewish girl whose diary chronicles the years she and her family hid from the Nazis in an Amsterdam attic.

When Cam Jansen and her friend Eric uncover a mystery while selling fudge door-to-door to raise money for the local library, Cam uses her photographic memory to foil a crime.