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.

A brief history of forensic investigation and an in-depth look at the tools of the trade as well as what it feels like to investigate a crime scene.

"There's a mystery mischief-maker on the loose in Hills Village! Can Junior solve the mystery before disaster strikes?"--

Young Lemony Snicket investigates a rash of fires that have plagued the town of Stain'd-by-the-Sea, revealing secrets that involve the Department of Education and the notorious villain Hangfire.

The Vickery twins, Lee and Felix, live in a house in Poplar Wood, where, because of the "Agreement," their mother serves Memory, and their father assists Death, and only Lee is allowed to leave the house, except for Halloween; but when a local girl is murdered, Gretchen Whipple, daughter of the mayor, offers the boys a deal--help her solve the crime and she will help them break the Agreement, and regain their freedom.

"The Real Pigeons must help a robbed vulture, a lost child, and Homey's kidnapped family, all while trying to find the perfect nest"--

Alex Cross' son, Ali, is eager to follow in his father's footsteps as a detective, but when his best friend goes missing, what price will he have to pay to solve the mystery?

"When best friends Abbi and Skylar witness a clandestine meeting between a mysterious woman and someone in a dark van, they're thrilled. Finally, a mystery to spice up the summer! Who could these people be? Why are they meeting? Are they spies? Criminals? The two girls are determined to find out. But then a local woman goes missing and is found dead in the woods. And Abbi and Skylar realize that their detective work could hold the keys to solving...

Though Gillian and her friends were the ones to find the lost doomsday bunker, no one seems to care about their thoughts on the whereabouts of its creator, Dr. Underberg, or learning the truth about the Shepherds, a mysterious group that will stop at nothing to keep Underberg -- and Omega City -- a secret. All that changes when Gillian and her friends are invited to speak at a lecture series at Guidant Technology. Finally they're being recognized...

Queenie is a cat, deeply aware of her own perfection, and Arthur is a dog who normally likes everyone (except Queenie who is devoted to making his life a misery), and they both live at the Blackberry Hill Inn in the Northeast in snow country with their human twins (Harmony and Bro), and Mom; but one winter's day an unpleasant and suspicious stranger comes to stay at the inn, and soon the twin's uncle is framed for murder--and Queenie and Arthur must...