600 Sudoku Puzzles - 300 Hard and 300 Very Hard: Brain Gym Series Book (Paperback) (ISBN-13: 9781535105835)

Put your brain through it's paces with this Brain Gym book of 600 Sudoku puzzles, containing 300 hard and 300 very hard difficulty. We exercise our bodies but our brains need a workout too Sudoku helps keep your brain healthy and functioning well. Challenge yourself to finish all the puzzles without cheating Solutions are printed at the end of the book. 4 puzzles per page. 8.5 by 11".

Author: Jared Frost
ISBN-10: 1535105836
ISBN-13: 9781535105835
Publisher: Createspace Independent Publishing Platform
Language: English
Published: 07/05/2016
Pages: 212
Format: Paperback
Weight: 1.11lbs
Size: 11.00h x 8.50w x 0.45d