200 Challenging Sudoku Puzzles
Subtitle: 100 Very Hard & 100 Extreme 9x9 Grids
Publisher: Independently Published; Independently published
Published: Aug 07, 2019
Format: paperback
Number of pages: 202
ISBN-13: 9781087162485
Notes: Source title: 200 Challenging Sudoku Puzzles: 100 Very Hard & 100 Extreme 9x9 Grids (Diabolical Series)