Brain games are the best way to improve human skills and abilities, and can also remove long day stress. This book is made for every diabolic Sudoku lover, and it contains 45 Samurai Sudoku puzzles from easy to diabolic with solutions so that you can have fun and fitness for your brain.Features of the book: -Large size:8.5x11 inches.-Pages:96 white high-quality paper.-Beautiful Samurai themed cover.Get one and bring many hours of fun and enjoyment!!