Book excerpt: Why do word puzzles fascinate us? How do they help develop problem-solving skills? How do they teach us about geography, literature, sports, and popular culture? How are they an international language? Jonathan Berkowitz offers a brief history of wordplay, with insights into puzzles and the brain. He offers tips on how to solve puzzles and explains the educational value of puzzles. Challenges in the form of rebuses, anagrams, codes and cryptograms, crosswords, and wordplay with numbers supply even more fun! The Whirl of Words is a unique, rich, and intriguing tour of a wide variety of word puzzles certain to stimulate a brain work-out.