150+ Sudoku 9X9 Puzzles Pocket Sudoku
Subtitle: Hard Level for Adults - All 9*9 Hard 150++ Sudoku - Pocket Sudoku Puzzle Books - Sudoku Puzzle Books Hard - Large Print Sudoku Puzzle Books for Adults - Sudoku Advanced
Publisher: Independently Published
Published: 2019
Language: eng
ISBN-13: 9781670795946