When you buy this book you get an electronic version (PDF file) of the interior of this book. Become a master in solving different sizes of Nurikabe. You get the perfect mix of different sizes of Nurikabe to keep you entertained for weeks. After solving all the puzzles in this book, you will be a Nurikabe Pro. You start with easy Nurikabe puzzles, which keep getting bigger and bigger and you gradually build your way up to extremely difficult Nurikabe puzzles. Once you pick up this book, you won't be able to put it back down. You have been warned! Only 1 large print puzzle per page, with lots of white space for scribbling. Nurikabe Mixed Grids Large Print - Easy to Hard is a collection of 276 puzzles: 24 easy Nurikabe puzzles per grid size (10x10, 12x12, 14x14), totaling 72 easy puzzles 24 medium Nurikabe puzzles per grid size (10x10, 12x12, 14x14), totaling 72 medium puzzles 24 hard Nurikabe puzzles per grid size (10x10, 12x12, 14x14), totaling 72 hard puzzles 60 extra logic puzzles I guarantee that every logic puzzle in this Nurikabe 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 English PuzzleBooks.net books. Nurikabe is also known as Cell Structure, Islands in the Stream.