Hours of challenging puzzle fun can be found in this giant treasury of quizzes, word games, and brain teasers. Are you a pencil puzzler? Grab your pencil and te

Up for a challenge? The Great Big Book of Really Hard Puzzles is just that — a huge Highlights activity book packed with really hard puzzles that will challen

From Anagram Loops to Clueless Crosswords, these puzzles are all challenging, baffling, and stimulating—and in easy-to-read, large-size print. This collection

In this volume, leading international cognitive psychologists elucidate and engage with the invaluable contribution of Paolo Legrenzi to the field of thinking a