Download or read book It's A Numbers Crunch! Extreme Puzzles written by Puzzle Pulse and published by . This book was released on 2017-02-15 with total page 140 pages. Available in PDF, EPUB and Kindle. Book excerpt: Be warned, the Sudoku puzzles in this book are very difficult. If you are new at this game, this is not the book for you. However, if you are already an expert at spotting number patterns and would like a new challenge, then pick up a copy today. How fast would it take you to complete a puzzle? Find out today!