Sudoku is a widely known wordless puzzle which has been around from the 19th century. A simple yet mind tickling puzzle that can rattle your brain cells to activate and cease boredom with this ever so interesting game. Sudoku Puzzle Book Volume 1 is the first edition of the series of the author Mike Bennett. If you are a regular Sudoku player, this book will be your best companion wherever you may go. It has over 200 Sudoku puzzles marked with different levels of difficulty, namely, Beginner, Novice, Moderate and Advanced, each having 50 puzzles each. Each page contains 2 puzzles on each side. It is very handy and a easy to use book with a instructions section provided at the beginning. This book will enhance you cognitive skills. It is the best book for Sudoku enthusiasts who love spending time solving number puzzles.