mystery and detective stories

Velma asks young readers to help Scooby-Doo and the gang determine who is posing as a ghost knight and haunting the Ticklewell estate and pillow factory by reviewing her notes, examining the crime scene pictures, and solving puzzles to find clues and suspects.

Geronimo Stilton gets caught up in the World Karate Championships, thanks to the efforts of Bruce Hyena and Piccolo Tao, Bruce?s super-sporty cousin. Geronimo only has a week to become real champion material! Will Geronimo manage to overcome his fears in order to win the competition?.

When a calf is murdered, Hank, the wiley Cowdog and Head of Ranch Security, pursues a gang of wild dogs and a clan of coyotes to find the killer.

Hank the Cowdog, Head of Ranch Security, pursues an elusive chicken murderer.

Grandfather takes the Alden family on a trip to an uninhabited South Sea island, where they find beauty and a mystery.

A graphic adaptation of Gertrude Chandler Warner's story in which the Alden children find an unusual mystery when they spend a vacation on a supposedly deserted South Seas Island.

A graphic novel adaptation of Gertrude Chandler Warner's story in which eccentric Aunt Jane needs help on her ranch, so the Aldens, affectionately known as the Boxcar Children, get help from a private detective.

Hindered by a fight with her friend Dub and a series of mysterious fires, eleven-year-old Allie investigates the fire seventeen years earlier which claimed the lives of the husband and infant son of a school cafeteria worker, as well as the handsome young man whose ghost asks Allie for help.

Thirteen-year-old Johnny Dixon and his friend Professor Childermass battle an evil wizard for possession of a bewitched hand which can be used to rule the world.

In 1859, eleven-year-old Nell goes to live with her aunt, Kate Warne, the first female detective for Pinkerton's National Detective Agency. Nell helps her aunt solve cases, including a mystery surrounding Abraham Lincoln, and the mystery of what happened to Nell's own father.