Jigsaw Sudoku: 250 Medium Jigsaw Sudoku Puzzles (Paperback) (ISBN-13: 9781726789721)

Also the puzzle may contain the regions of random (irregular) shape; this variant is called Jigsaw Sudoku ("Geometry Sudoku," "Geometry Number Place," "Irregular Sudoku," "Kikagaku Nanpure").

Author: Mindful Puzzle Books
ISBN-10: 1726789721
ISBN-13: 9781726789721
Publisher: Independently Published
Language: English
Published: 10/06/2018
Pages: 146
Format: Paperback
Weight: 0.45lbs
Size: 9.00h x 6.00w x 0.31d