Sudoku Insanity Volume 4: Warning: Solving could be hazardous to your health

By Heritage Printables

Looking for more difficult sudoku puzzles to solve? In this new volume there are 200 Very Hard and Extremely Hard sudoku puzzles with solutions included. Warning: Experienced solvers only.

• Format: Paperback
• Language: English
• ISBN: 1070144525
• ISBN13: 9781070144528
• Release Date: May 2019
• Publisher: Independently Published
• Length: 256 Pages
• Weight: 0.76 lbs.
• Dimensions: 0.5" x 6.0" x 9.0"