Dink Duncan and his two friends investigate the apparent kidnapping of famous mystery author Wallis Wallace.

Amateur detective Sherlock Holmes, the master of deductive reasoning, solves several mysteries with the aid of his friend, Dr. John Watson.

Sleuthing duo Emily and James tackle their most challenging mystery yet set on the haunting Alcatraz Island in Book 3 of the New York Times bestselling Book Scavenger series!Legendary literary game-maker Garrison Griswold is back in action—this time with "Unlock the Rock." For his latest game, Gr...

Nancy, George, and Bess have been invited to an April Fool's Day party at their new schoolmate's house, with each guest bringing a gag to the party and the best prank winning a special prize. When two of the guests' fancy new electronics go missing, Nancy knows it's no joke, and the Clue Crew are...

While searching in Iceland for a missing sailor sought by an insurance company, the teen-age detective brothers uncover a plot threatening the life of a United States astronaut and the secrets of NASA's moon project.

When Nancy and her friends take a job babysitting eighteen-month-old identical twins, they must discover what is happening to the twins' disappearing toys.