When the quarters which Arthur has collected for Mrs. MacGrady's charity drive disappear, Buster attempts to solve the mystery and prove his frie

When fifth-grader Cam notices that the prizes for the most difficult game at the school carnival are rapidly disappearing, she uses her amazing p

When fifth-grader Cam notices that the prizes for the most difficult game at the school carnival are rapidly disappearing, she uses her amazing p

As the new Keepers of the School, sixth-graders Ben and Jill must decipher a handful of clues written as maritime riddles to save their school fr

Jigsaw tries to find out who is playing practical jokes in class.

When strange moans and clanks echo down the halls of her boarding school, junior detective Araminta is determined to solve the mystery.

Best friends and seventh graders Sophie Young and Grace Yang have made a game out of spying on their neighbors. On one of their midnight stakeout

When money for a class trip to Washington, D.C., disappears from Mrs. Ramirez's room at Woodlands Junior High, Corey becomes the prime suspect, b

When Moxie McCoy's friend Emily receives a suspicious anonymous letter, Moxie and her little brother Milton investigate, but they must learn to g

Elementary school detective Moxie McCoy looks for a missing school mascot and a new best friend, with the help of her annoying little brother.

Saxby Smart, schoolboy private detective, invites the reader to follow the clues as he investigates three cases involving hidden treasure, a stri

When a teenaged girl with a bad reputation is murdered in New York City's Central Park after a party, her childhood friend is determined to solve