World's hardest Sudoku puzzle book for adults: A Challenging Sudoku book for Advanced Solvers a fun way to Challenge your Brain . Solutions included .

By Brain River Publishers

Hard Sudoku Puzzles you said ? ...
Look no more, You have just found the hardest Sudoku Ever, so hard even the pro's have hard time solving it. Grab your self a copy and challenge your brain now .

• Format: Paperback
• Language: English
• ISBN: B08P72M5VT
• ISBN13: 9798575002543
• Release Date: December 2020
• Publisher: Independently Published
• Length: 102 Pages
• Weight: 0.57 lbs.
• Dimensions: 0.2" x 8.5" x 11.0"