Scrabble is, hands down, the most popular word game in the world. It's played even by people who can't speak English -- and some players devote as much time to its study as do the grandest of Chess grandmasters.
Most of the books on this list can help improve your Scrabble skills; one (Word Freak) puts you inside the minds of the top Scrabble players.
1. Word Freak
A fascinating dive into the world of competitive Scrabble. Author Stefan Fatsis, who writes for The Wall Street Journal and reports for National Public Radio, tracks his climb up the Scrabble ratings ladder and introduces us to fascinating personalities along the way. Highly recommended, even if your interest in Scrabble is only as a casual player.
2. Official Scrabble Players Dictionary
Tired of arguments about what is and isn't a legitimate Scrabble word? Avoid disputes by getting the official dictionary used by serious players and published by Merriam-Webster.3. Everything Scrabble
Scrabble greats Joe Edley and John D. Williams combined to write this first Scrabble how-to book endorsed by the National Scrabble Association. Includes tips, puzzles, diagrams and more.4. Official Scrabble Puzzle Book
Joe Edley, a two-time Scrabble National Champion, pops up again as the author of this book. 800 puzzles are included to help sharpen your Scrabble skills. It also includes analysis of 50 actual games and computer simulation results.5. Official Scrabble Quiz Game Book Volume 2
Robert Allen compiled this collection of Scrabble quizzes, which can be used to improve your gameplay or just to pass the time. 60 Scrabble boards are included.