Sudoku Puzzles: Diabolical Volume 4: 100 More Puzzles to Boggle Your Mind

By Wilson Tandiono

Ready to boggle your mind? This is the diabolical difficulty series volume 4 geared towards those who crave the ultimate challenge. Deploy advanced techniques like X-Wing, Naked/Hidden Subsets, Swordfish, Forcing Chains, etc. Consider yourself a Sudoku master if you can solve all the puzzles in this book For easier puzzles, check out the easy, medium, and advanced series from the same author. The puzzle on the cover is representative of the difficulty level of puzzles in this book. You can try to solve it to gauge which difficulty series is right for you.

• Format: Paperback
• Language: English
• ISBN: 1093381361
• ISBN13: 9781093381368
• Release Date: May 2019
• Publisher: Independently Published
• Length: 128 Pages
• Weight: 0.29 lbs.
• Dimensions: 0.3" x 5.0" x 8.0"