Sudoku Book 1,500 Extra Hard Puzzles
Subtitle: Sudoku Puzzle Book With Only One Level of Difficulty
Publisher: Createspace Independent Publishing Platform; CreateSpace Independent Publishing Platform
Published: Feb 10, 2017
Format: paperback
Number of pages: 506
ISBN-13: 9781543037678
Notes: Source title: Sudoku Book 1,500 Extra Hard Puzzles: Sudoku Puzzle Book With Only One Level of Difficulty (Sudoku Book Series)