2020 Hard Sudoku 16 X 16 Puzzles 80 Hard Sudoku Puzzles for Adults
Subtitle: Hard Level for Adults - All 16*16 Hard 80+ Sudoku - 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: 9781705910115