Match your mind with the world's greatest brains! If you can match minds with the greatest brains, then you have a chance of solving these puzzles. Try this one

135 Hair-pulling puzzles to boost your brainpower—they’ll blow your mind! Complex crosswords, cryptic cryptograms, unsolvable Sudoku—they’re all here to

Packed with dozens of the most difficult Hidden Pictures puzzles Highlights has ever created, this book is perfect for advanced puzzlers ages 8-12 looking for a

This is not really a book. This is a building in the shape of a book...a maze. Each numbered page depicts a room in the maze. Tempted? Test your wits against mi

How well do you think logically? Find out with these puzzles. But don't forget the degree of difficulty increases as you go.