Introduction -- Crosswords -- The puzzles of puzzles -- The Rubik's cube -- Anagrams -- Rebuses -- Jigsaws -- Mazes -- Math and logic puzzles -- Ciphers and secret codes -- Visual puzzles -- Sudoku and KenKen -- Chess puzzles -- Riddles -- Japanese puzzle boxes -- Controversial puzzles -- Cryptics -- Scavenger hunts -- Infinite puzzles -- Greg Plasik's original puzzles -- Solutions

"The New York Times bestselling author of The Year of Living Biblically goes on a journey to understand the enduring power of puzzles: why we love them, what they do to our brains, and how they can improve our world"--