Sudoku
Subtitle: 396 Very Hard to Extreme Puzzles
Publisher: Createspace Independent Publishing Platform; CreateSpace Independent Publishing Platform
Published: Dec 11, 2017
Format: paperback
Number of pages: 280
ISBN-13: 9781981214136
Notes: Source title: Sudoku: 396 Very Hard to Extreme Puzzles (396 Sudoku 9x9 Puzzles: Very Hard, Extreme) (Volume 1)