When Andy and his friend Tamika spend the weekend in the city with Tamika's aunt and uncle, he tries hard to follow all the rules of etiquette during outings to a French restaurant, an art museum, and the ballet, while using his detective skills to solve a mystery involving "parachuting" hamsters.

A fifth-grader with a photographic memory and her friend Eric help solve the mystery of the stolen diamonds.

On her first day of fifth grade, Cam Jansen uses her photographic memory to help the police find a car thief. Includes a memory game.

Using her photographic memory, Cam Jansen joins Eric in solving the mystery of a Valentine's day robbery at the hospital where Cam's mother is giving birth. Includes memory quizzes and trivia questions with answers.

Young Detective Jeffrey Bones begins gathering clues when Mr. Green asks for his help finding the school bus he lost while shopping at the mall.

Dozens of riddles feature witches, vampires, werewolves, ghosts, and other spooky creatures.

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

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 Grandpa's lucky hat goes missing during a college football game, detective Jeffrey Bones and his friend Sally help look for it.

School couldn't get any worse. The class gets a fishy substitute teacher named Ms. Salmon. Andy tries to stay out of trouble, but the principal and Ms. Salmon are out to get him.