Looking for EASY, MEDIUM and HARD Sudoku puzzles? Then you can stop looking because you just found a perfect Sudoku book for you!Inside this book you will find total 365 Hard puzzles9 X 9 Sudoku Grid. Four puzzles per page. Sudoku instructions and basic strategy included. Solutions for puzzles inside the book. Check out also Volumes 2, 3 and 4 at our Alaina Puzzle Publishing author page.---Just in case you also need other Sudoku puzzles to solve, you'll be happy to know that we offer Sudoku puzzles ranging from very easy to extremely hard levels.