Featuring a huge number of Skyscraper puzzles at a range of sizes, all carefully sorted into order of increasing difficulty, this unique collection of 200 puzzles is full of attractively-designed challenges from best-selling puzzle author Dr Gareth Moore, author of many international books. Skyscraper combines the row and column constraints of Sudoku with additional clues that re-imagine each number as a skyscraper of the given number of floors, specifying how many buildings are visible from each clue. This book contains 50 puzzles at size 5x5, 75 at 6x6 and 75 at 7x7, all sorted in order of increasing logical difficulty. Printed on large, top-quality paper ideal for solving on, the 200 Skyscraper puzzles vary in difficulty from easy to hard so whatever your preference or experience you'll always find a puzzle here to suit you. Visit www.PuzzleBooks.org for a full list of other titles in this series.