Sudoku
Subtitle: 204 Hard to Very Hard Puzzles
Publisher: Createspace Independent Publishing Platform; CreateSpace Independent Publishing Platform
Published: Dec 13, 2017
Format: paperback
Number of pages: 152
ISBN-13: 9781981213634
Notes: Source title: Sudoku: 204 Hard to Very Hard Puzzles (204 Sudoku 9x9 Puzzles: Hard, Very Hard)