This series continues to provide the most challenging, fresh, and original puzzles on the market. Created by the best contemporary constructors - and edited by top puzzle master John M. Samson - these Thursday to Sunday-size brain breakers offer hours of stimulation for solvers of every level. With hundreds of puzzles in one volume, the Simon & Schuster Mega Crossword Puzzle Book will test the knowledge of solvers everywhere. Can you avoid turning to the answer key? Sharpen your pencils, grit your teeth, and find out!