Samurai Sudoku Jigsaw puzzle consists of 5 overlapping Jigsaw Sudoku grids. Place the digits 1 to 9 into every row and column of each of the regular 9x9 Sudoku grids, as well as each of the bold-lined jigsaw pieces. The puzzle book contain: - 200 Puzzles - Handy 6 x 9 inch Book Layout - 1 Puzzles per Page - Ideal for Experts In the book you will find a description and examples of solutions for all puzzles. The book is for those who like logic and math problems. Decide, developing and improving.