Hard Sudoku Puzzle Book Volume 1
Subtitle: Hard Sudoku Puzzles For Advanced Players
Publisher: Createspace Independent Publishing Platform; CreateSpace Independent Publishing Platform
Published: Jan 10, 2017
Format: paperback
Number of pages: 90
ISBN-13: 9781542451604
Notes: Source title: Hard Sudoku Puzzle Book Volume 1: Hard Sudoku Puzzles For Advanced Players