When Fletcher Moon, the youngest detective in the world, is framed for a crime he did not commit, he must team up with the unlikeliest of allies, run from the authorities, and solve the case within twelve hours to clear his name.

Nate the Great, a junior detective, is determined to solve the mystery of the missing picture of his friend.

The solutions to ten mysteries solved by Leroy "Encyclopedia" Brown are given in a separate section challenging the reader to match wits with the ten-year-old mastermind of Idaville's war on crime.

An avid Sherlock Holmes fan, eighth grader Ingrid Levin-Hill is kidnapped while investigating mysterious happenings in her home town.

More mysterious cases for "America's Sherlock Holmes in sneakers" to solve for the standard twenty-five-cent fee. Solutions are included at the back of the book.

"When his best friend Abraham is reported missing, Ali Cross sets out to find him, but he soon learns that being a kid sleuth isn't easy and clues aren't always what they seem"--Provided by publisher.

Dunc and Amos research the cannon that stands in the town square and find a note inside telling about a time portal.

As Nate the Great sets to work on his first international case, he searches for a lost "something" and saves the King of Sweden from a troublesome traveler.

""The world's greatest adolescent British chemist/busybody/sleuth" (The Seattle Times), Flavia de Luce, returns in a twisty new mystery novel from award-winning and New York Times bestselling author Alan Bradley. In the wake of an unthinkable family tragedy, twelve-year-old Flavia de Luce is struggling to fill her empty days. For a needed escape, Dogger, the loyal family servant, suggests a boating trip for Flavia and her two older sisters. As their...

While on a bicycle trip to their aunt's farm, the four Aldens help solve a mystery.