Washoe County Library System

Explains the Roman numeral system, which, though very old, is still in use today.

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.

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 uses her photographic memory to identify the person who stole a valuable autographed baseball.

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.

An illustrated collection of humorous riddles on a Thanksgiving Day theme.

Cam uses her photographic memory to help a classmate find the tooth she lost at school.

Follows the life of the popular president, from his childhood on the frontier to his assassination after the end of the Civil War.

A brief, illustrated, biography of the Baptist minister and civil rights leader whose philosophy and practice of nonviolent civil disobedience helped American blacks win many battles for equal rights.