Become a master in solving Masyu. You will experience Masyu 11x11, Masyu 13x13 and Masyu 15x15. You get the perfect mix of different sizes of Masyu to keep you entertained for weeks. After solving all the puzzles in this book, you will be a Masyu Pro. You start with easy Masyu puzzles, which keep getting bigger and bigger and you gradually build your way up to extremely difficult Masyu puzzles. Once you pick up this book, you won't be able to put it back down. You have been warned! Masyu Mixed Grids - Easy to Hard is a collection of 276 puzzles: The goal of Masyu is to draw a single continuous non-intersecting loop that passes through all circled cells. The loop must enter each cell it passes through from the center of one of its four sides and exit from a different side. All turns are therefore 90 degrees. I guarantee that every logic puzzle in this Masyu 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. Masyu is also known as Shiroshinju Kuroshinju, White Pearls and Black Pearls.