Colorado Parks & Wildlife Research Library

A fifth-grader with a photographic memory and her friend Eric help solve the mystery of the stolen diamonds. Cam uses her photographic memory to identify the person who stole a valuable autographed baseball.

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

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.

Cam Jansen and her friend Eric are called upon to help recover a baseball autographed by Babe Ruth.

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

Fifth-grade sleuth Cam Jansen uses her photographic memory to solve a monkey smuggling mystery at the city zoo.

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.

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.

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.