600 Sudoku Puzzles - 300 Hard and 300 Very Hard
Subtitle: Brain Gym Series Book
Publisher: Createspace Independent Publishing Platform; CreateSpace Independent Publishing Platform
Published: Jul 05, 2016
Format: paperback
Number of pages: 210
ISBN-13: 9781535105835
Notes: Source title: 600 Sudoku Puzzles - 300 Hard and 300 Very Hard: Brain Gym Series Book (Volume 23)