Heyawake Mixed Grids Hard 276 Logic Puzzles

Heyawake is a fun and addicting binary-determination logic puzzle. This book is ideal for you if you love to solve difficult Heyawake puzzles no matter their size. You do not need to wade through tons of easy Heyawake puzzles before getting to the real brain teasers. You get the perfect mix of different sizes of Heyawake to keep you entertained for weeks. Once you pick up this book, you won't be able to put it back down. You have been warned! Heyawake Mixed Grids - Hard is a collection of 276 puzzles: 72 hard Heyawake 16x16 puzzles 72 hard Heyawake 17x17 puzzles 72 hard Heyawake 18x18 puzzles 60 extra logic puzzles I guarantee that every logic puzzle in this Heyawake 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.