Teenage detectives Frank and Joe Hardy investigate a supposedly haunted house reported to be the hangout of criminals.

Ten brief cases allow the reader to match wits with ten-year-old crime-buster, Encyclopedia Brown, as he investigates such cases as whether a diary of George Washington's mother is authentic, or if a UFO picture supposedly taken by the army is real.

Nancy Drew's keen mind is tested when she searches for a missing will. After aiding an injured child, Nancy accidentally stumbles upon the mystery of Josiah Crowley's missing will. While several of Crowley's impoverished relatives claim that he had included them in his will, his arrogant relatives, seem to possess the only copy, which leaves them in total possession of the deceased man's fortune. Nancy is intrigued by the situation and begins

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A collection of Sherlock Holmes mystery adventures, including "A Scandal in Bohemia," "The Red-Headed League," "The Adventure of the Speckled Band," and "The Aventure of the Beryl Coronet."

Idaville's secret weapon against lawbreakers, ten-year-old Leroy "Encyclopedia" Brown, helps the police force solve ten new cases, the solutions to which are found in the back of the book.

Thirteen-year-old Lemony Snicket begins his apprenticeship with S. Theodora Markson of the secretive V.F.D. in the tiny dot of a town called Stain'd By The Sea, where he helps investigate the theft of a statue.

While visiting his girlfriend Summer in Malibu, Teddy stumbles upon two mysteries involving a blown up whale explosion and a string of beach sand thefts, but his investigation is sidetracked by a rumor that his girlfriend is dating a celebrity, leading him to question their relationship.

Children's classics for decades, Donald J. Sobol's Encyclopedia Brown stories have garnered a Young Readers' Choice Award and a Special Edgar Award. In this installment, the 10-year-old detective's probing questions continue to trip up thieves, frauds, and others scoundrels- from a watch-scamming bully to a wigged-out FBI's most wanted.

For once, operations at the enormous zoo/theme park appear to be running smoothly (except for the occasional herring-related mishap in the penguin exhibit) and Teddy Fitzroy is finally able to give detective work a rest. But then a local lion is accused of killing a famous dog--and the dog's owner, an inflammatory radio host, goes on a crusade to have the cat declared a nuisance so it can be hunted. However, there's evidence that the lion might have...

The local police prove unhelpful when a 500-pound dinosaur skull vanishes from a secret excavation on Sage's family's ranch, so Teddy and his friends conduct their own investigation.