Download or read book The Little Book of Sudoku 4 written by Gareth Moore and published by Michael O'Mara. This book was released on 2016-04-14 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: These puzzles test experts and train those unfamiliar with Sudoku, helping to build your logic and reasoning skills, improve your memory and keep your brain healthy by giving it a regular workout.