Chain Sudoku
Subtitle: 250 Hard Chain Sudoku Puzzles 4x4
Publisher: Independently Published; Independently published
Published: May 30, 2019
Format: paperback
Number of pages: 146
ISBN-13: 9781070887661
Notes: Source title: Chain Sudoku: 250 Hard Chain Sudoku Puzzles 4x4 (Chain Puzzles)