Biography of the black woman who escaped from slavery to become famous as a conductor on the Underground Railroad.

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.

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.

Using her photographic memory Cam Jansen joins Eric in solving the mystery of how some of the school computers were stolen.

While visiting Aunt Molly at a fancy downtown hotel, Cam uses her photographic memory to help one of the guests find her stolen luggage and pet cat, and to catch the thief.

Cam and her friend Danny help solve the mystery of a stolen pearl necklace when the governor comes to visit their school for the dedication of the new library.

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.

Cam Jansen and her photographic memory help her friend's grandfather retrieve his missing bag with an important graduation gift in it.

"Mo Jackson is excited for his baseball game, but Coach Marie tells him he is batting last and playing right field, again. Will Mo ever get a hit?"--

When a woman's poodle disappears during a boat ride around the city, Cam uses her photographic memory to solve the mystery.