Sudoku Puzzle Book, 600 HARD Puzzles
Subtitle: Single Difficulty Level For No Wasted Puzzles
Publisher: Createspace Independent Publishing Platform; CreateSpace Independent Publishing Platform
Published: May 22, 2017
Format: paperback
Number of pages: 206
ISBN-13: 9781546850892
Notes: Source title: Sudoku Puzzle Book, 600 HARD Puzzles: Single Difficulty Level For No Wasted Puzzles (Sudoku Puzzle Books Champion Series)