***Sudoku Puzzle Book 600 Puzzles,Book of Hard Sudoku Challenge Volume 4 - 6***
Subtitle: Sudoku Puzzle Book 600 Puzzles,Book of Hard Sudoku,Challenge for Everyday of the Year a 200 Sudoku Puzzle Games-5 Levels from Easy to Hard Volume 4-6
Publisher: CreateSpace Independent Publishing Platform
Published: 2017
Language: eng
Number of pages: 308
ISBN-13: 9781543004113