Sudoku 4 Species. 2 Difficulty Levels, Easy and Medium. 400 Collection Puzzles
Subtitle: Lighthouse Battleship - Yajilin - Calcudoku - Tridoku. Holmes Presents a Book of Light and Medium Puzzles for the Sharpness of the Mind.
Publisher: Independently Published
Published: 2019
Language: eng
ISBN-13: 9781796307580