Jigsaw Sudoku: 250 Hard to Very Hard Jigsaw Sudoku Puzzles (Irregularly Shaped Sudoku)

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
• • Publisher: Independently published
• • Publication Date: Oct 06, 2018
• • Number of Pages: 144 pages
• • Language: English
• • Binding: Paperback
• • ISBN-10: 1726820912
• • ISBN-13: 9781726820912