If you"re an experienced puzzler, but you"ve found other crossword books just a bit too hard, this book is for you! Why? This is the first-ever crossword series especially for not-quite-expert puzzlers. This is the first-ever crossword series that explains the "unwritten rules" of puzzle solving. New York Times SkillBuilder Crosswords is the first-ever series designed to improve your skills. And once you"ve mastered this top level of SkillBuilder puzzles, you"ll be ready to tackle all the other challenging crossword series published by Times Books.