Sherlock is on a world tour, and his owner, Mandy, caril locate him. She calls on the S.O.S. trackers to help her. Students will complete a series of logic problems to find Sherlock. When Sherlock writes a book about his favorite subject Ws anything but a best seller. Sherlock asks the S.O.S. Trackers to find out what kind of book will be successful, based on their research.
Sherlock befriends a peregrine falcon and learns about endangered plants and animals.
He asks the S.O.S. trackers to create a safe environment for his now friends. Misled by a TV ad about dog biscuits, Sherlock asks the S.O.S. Trackers to find out how commercials work so that others won't be fooled.