When you buy this book you get an electronic version (PDF file) of the interior of this book. Samurai Sudoku is Sudoku on steroids. It combines 5 Sudoku's into one large fun and addicting logic puzzle game that will give you hours of puzzle pleasure. This book is ideal for you if you already know how to solve Samurai Sudoku puzzles but you find our hard or extreme Samurai Sudoku puzzles too difficult. Once you pick up this book, you won't be able to put it back down. You have been warned! Only 1 Samurai Sudoku puzzle per page, with lots of white space for scribbling. Samurai Sudoku Deluxe - Medium is a collection of 255 puzzles: 216 medium Samurai Sudoku puzzles 39 extra logic puzzles Samurai Sudoku consists of five 9x9 grids, one in the center and the other 4 overlapping each corner grid of the central one. For each 9x9 grid the goal is to fill in the empty cells, one number in each, so that each column, row, and region contains the numbers 1-9 exactly once. I guarantee that every logic puzzle in this Samurai Sudoku puzzle book has been carefully checked to ensure that each puzzle has only 1 solution. None of the puzzles in this book will appear in any of the other PuzzleBooks.net books. Samurai Sudoku is also known as Gattai-5.