Puzzles

Welcome to the world of Sleuth & Solve, a collection of 20 clever mysteries where the clues are in the details and crafty twists put your wits ...

Solve word searches, crack codes, and complete cryptic crosswords to show the CIA that you have what it takes to join Ben and the rest of the crew ...

In the tenth book in the New York Times bestselling Spy School series, Ben Ripley races against time and across state lines—by car, train, boat, an...

In the eighth book in the New York Times bestselling Spy School series, Ben Ripley faces the Croatoan—a new evil organization that’s so mysterious,...

In the twelfth book in Stuart Gibbs’s New York Times bestselling Spy School series, superspy middle schooler Ben Ripley gets lost on a perilous mis...

In the ninth addition to the New York Times bestselling Spy School series, Ben Ripley faces his nemesis, Murray Hill, on the high seas.Thanks to th...

Put your mind to the test to solve twenty fun science-themed mysteries in Sleuth & Solve: Science!How does a wildlife photographer know that an...