Logical book. Killer sudoku. Chain puzzles. All levels.
Subtitle: Easy. Medium. Hard. Extreme.
Publisher: Independently Published; Independently published
Published: Aug 03, 2019
Format: paperback
Number of pages: 155
ISBN-13: 9781087231006
Notes: Source title: Logical book. Killer sudoku. Chain puzzles. All levels.: Easy. Medium. Hard. Extreme. (Killer sudoku and his friends)