Book excerpt: Sudoku Samurai Puzzle Volume 3 EBook contains total of 114 puzzles organized at 5 different difficulty levels (1-5) with all of their solutions. The instruction to play both in English and Spanish. This book was designed for more advanced sudoku players.Each individual puzzle has a single unique solution based on logical strategies and no "guessing" or "Trial & Error" are required.Please note that this is an EBook and you should be able to print your puzzles and it is not an interactive game.