101 Giant Sudoku 21x21 #1 (Paperback) (ISBN-13: 9781491094518)

Featuring 101 giant Sudoku 21x21 puzzles, sorted into order of increasing difficulty and printed on large, top-quality paper, this unique collection of puzzles is full of attractively-designed challenges from best-selling puzzle author Gareth Moore, author of many international books.

Each puzzle can be solved by nothing more complex than simply scanning the 21 rows, 21 columns and 21 7x3 boxes, without having to make any pencil mark notes. Guessing is never needed, and there is a guaranteed unique solution.

Visit www.PuzzleBooks.org for a full list of other titles in this series.

Author: Gareth Moore
ISBN-10: 1491094516
ISBN-13: 9781491094518
Publisher: Createspace Independent Publishing Platform
Language: English
Published: 07/25/2013
Pages: 114
Format: Paperback
Weight: 0.62lbs
Size: 11.02h x 8.50w x 0.24d

About the Author
Gareth Moore is the author of a wide range of brain-training and puzzle books for both children and adults, including The Mammoth Book of New Sudoku, The Mammoth Book of Fun Brain Training, The Rough Guide Book of Brain Training, Keep Your Brain Fit: 101 Ways to Tone your Mind, and The Mammoth Book of Brain Workouts. He also writes the monthly magazine Sudoku Xtra. Find more of his books at www.PuzzleBooks.org.