When a priceless, jewel encrusted bird statue is installed atop a skyscraper in Gotham, Catwoman and the Penguin have their eyes on the prize, and it is up to Batman to stop them from stealing the jewels.

One day, Mac (smartest boy in his class in a small town in California) receives a telephone call from the Queen of England, recruiting him to find the crown jewels (well, actually just the Coronation Spoon) and so Mac embarks on his first adventure as a secret agent--with the assurance that the Queen will give him a note excusing him from school.

Nancy Drew investigates when a doll goes missing at a sleepover party.

After a class trip to a floating zoo where animals are mistreated and Savannah's missing pet monkey is found in a cage, Long Island sixth-grader Griffin Bing and his band of misfits plan a rescue.

A terrified young girl and the peculiar guardian she fears gets Nancy involved in a strange and daring mystery case.

While spending two days touring a zoo to see the baby animals, the four Alden children, aged six to fourteen, help catch an escaped monkey, participate in a photography contest, and investigate a missing camera.

Using her excellent memory, Cam Jansen, aided by her friend Eric, investigates the disappearance of Mrs. Scott's valuable pearl necklace during a charity brunch.

Geronimo visits Cacklefur Castle for a vacation, but a ghostly thief on the grounds is targeting the von Cacklefurs' special pumpkins.--

Basil, mouse and master detective seeking the truth behind the theft of the Mousa Lisa, must also solve the mystery of his companion's disappearance.

Using her photographic memory Cam Jansen joins Eric in solving the mystery of a Valentine's day robbery in a hospital waiting room.