"Sudoku puzzles at 400 Unique Sudoku - Do you love puzzles that tease your mind and test your analytical skills? - Are you a good at using logic and mathematics to solve simple and complex problems? - Do you love Sudoku puzzle game? - Do you want to learn this game or already a champion of it? If your answer to all of these questions is yes, This is the right book for you. Do you think, you are up for a challenge that tests your intellectual limits? Be prepared for and ultimate challenge with this Sudoku puzzle book. This paperback book contains 400 puzzles starting from simple ones and gradually moving towards truly hard mental teases. The objective of having 400 puzzles is to keep you engaged and goal oriented for the whole year. Keep solving one puzzle each day and "hopefully you will finish these puzzles in a year. However, if you are even more determined and seek serious challenges, you will love this Sudoku puzzle book even more. Because, apart from these 400 puzzles This combination of 400 Sudoku puzzle game paperback book with 5 Levels puzzles will keep you and your family and friends engaged for hours. The book has been prepared using techniques from the gurus of this game. Therefore, this Sudoku puzzle book is perfect for children and adults alike. It does not matter if you want to learn to play this game or already own championships, this puzzle set is going to surprise you at every page. Whether you are new to Sudoku puzzle game or have played it in the past, these puzzles are designed in a manner that you can test your own limits. Once you start with game, you will feel geared towards solving these problems round the clock. Do not worry if you are stuck on a game and do not seem to have a way out, answers are also provided for all the puzzles. Nevertheless, do not kill the fun by peeking at the answers while you are solving these puzzles. - You get 400 Sudoku large print paperback puzzle book delivered at your doorstep - All of these games are unique and solvable - All puzzles come with a solution key at the end to help you in case you are stuck - A complete fun filled puzzle game for the entire family."