Hard Math Puzzles For Adults: Sujiken Puzzles - The Best Stress Relief Puzzles [Large Print]

by Rebecca Howell

Sujiken (from Japanese "sujikai", literally "diagonal") is a variation of Sudoku, invented by George Heineman (USA). The puzzle consists of a triangular grid of cells containing digits from 1 to 9.... This description may be from another edition of this product.

• Format: Paperback
• Large Print: Yes
• Language: English
• ISBN: 1720012911
• ISBN13: 9781720012917
• Release Date: September 2018
• Publisher: Independently Published
• Length: 116 Pages
• Weight: 0.40 lbs.
• Dimensions: 0.3" x 6.0" x 9.0"