'B. T. F Books' - Sudoku Puzzle - 80 Challenging Sudoku Puzzles. Solutions Included! Size : 5 X 8, Soft - Cover
Subtitle: Challenging Sudoku Puzzles. Medium Difficulty. Fun but Not Easy - Brain Activity for the Skilled!
Publisher: Independently Published
Published: 2021
Language: eng
ISBN-13: 9798529522356