"A painting has been stolen...! When Rami sees a floating girl in the museum, he knows he has seen her somewhere before. Then he realizes: She looks just like the girl in the painting that has gone missing. But how does her appearance connect to the theft? Agatha the turtle knows--she has been watching from the garden. But she can't exactly tell anyone...can she? Will Rami, with the help of his classmate, Veda, be able to solve the mystery? The clues...

"A high-pitched loud sound in an elevator shaft sends young sleuths Abbi, Daniel, and Lydia on the hunt for the source"-- Provided by publisher.

The Alden children must solve a double puzzle which involves an old friend of Aunt Jane's, romance, and a chase.

Nate and his dog Sludge try to solve a case on Halloween night and find themselves locked in a haunted house.

After learning about Sherlock Holmes, Humphrey the classroom hamster follows clues to try and discover why Mrs. Brisbane is gone and Mr. E., a fun but not very educational substitute, is taking her place in Room 26 at Longfellow School.

The first book in the #1 bestselling phenomenon sends readers around the world on the hunt for the 39 Clues!

Minutes before she died Grace Cahill changed her will, leaving her decendants an impossible decision: "You have a choice - one million dollars or a clue."Grace is the last matriarch of the Cahills, the world's most powerful family. Everyone from Napoleon to Houdini is related to the Cahills, yet the source of the family power is lost....

Witty typewriter Olivetti and twelve-year-old introvert Ernest embark on a mission to find Ernest's missing mother that takes them across San Francisco.

As more and more of his flowers display the bite marks of a wandering tortoise, Nate sets out to uncover the mystery of the reptile's origins.

Includes three Sherlock Holmes mystery adventures: "The Red-headed League," "The Adventure of the Speckled Band," and "The Adventure of the Copper Beeches."

Six eccentric guests are invited to the home of the infamous Amadeus family where they must work together to uncover the truth behind a thirteen-year-old mystery before the clock runs out.