Cactus Puzzles(TM) - Large Print Slitherlink - 108 Puzzles - Medium, Hard and Very Hard See the bottom of the description for other puzzle books in this series. This puzzle book contains one large print puzzle per puzzle page and one large print solution per solution page. Slitherlink is a logic puzzle. It is also known as Dotty Dilemma, Fences, Great Wall of China, Loop the Loop, Loopy, Ouroboros, Sli-Lin, Suriza and Takegaki. Slitherlink is played on a rectangular grid of dots. Some of the 1x1 squares formed by the dots have numbers inside them. HOW TO PLAY SLITHERLINK 1) Connect adjacent dots with horizontal lines or vertical lines to form a single loop. Do not connect any dots diagonally. 2) A number inside a 1x1 square represents how many lines surround the number. An empty 1x1 square may be surrounded by zero, one or more lines. 3) The loop does not have any branches or loose ends. The loop does not cross itself. Each puzzle in this book has one solution. Each puzzle page has one puzzle. Each solution page has one puzzle solution. This book has 108 Slitherlink puzzles in medium, hard and very hard difficulty levels: 15x15 grid - 12 medium puzzles 20x20 grid - 12 medium puzzles 25x25 grid - 12 medium puzzles 15x15 grid - 12 hard puzzles 20x20 grid - 12 hard puzzles 25x25 grid - 12 hard puzzles 15x15 grid - 12 very hard puzzles 20x20 grid - 12 very hard puzzles 25x25 grid - 12 very hard puzzles This Cactus Puzzles(TM) large print book by Marc Puzzle of Cactus Publishing Inc. contains: 108 puzzle pages - each puzzle page contains one puzzle 108 solution pages - each solution page contains one puzzle solution DETAILS PAPER SIZE / TRIM SIZE: 8.5" x 11" (21.6 cm x 27.9 cm) PAPER COLOR (COLOUR): White paper PAGE NUMBERS: YES PERFORATED PAPER: NO COVER: Softcover paperback - glossy finish BOOK BINDING: Perfect bound - same binding commonly used in paperback books OTHER BOOKS IN THIS SERIES Search using the 13 digit ISBN to purchase other volumes in the series. Cactus Puzzles(TM) - Large Print - Slitherlink - 108 Puzzles - Medium, Hard and Very Hard Volume 1 - ISBN: 9798665148328 Volume 2 - ISBN: 9798665148359 Volume 3 - ISBN: 9798665148434