Sudoku Collection
Subtitle: 200 Very Hard Skyscraper Sudoku Puzzles 9x9
Publisher: Independently published; Independently Published
Published: Sep 07, 2019
Format: paperback
Number of pages: 120
ISBN-13: 9781691686827
Notes: Source title: Sudoku Collection: 200 Very Hard Skyscraper Sudoku Puzzles 9x9