Funster Hard to Extreme Sudoku 400+ Puzzles: with printed candidate numbers

By Charles Timmerman and Funster

Carefully designed for advanced Sudoku solvers. Includes printed candidate numbers. Writing in candidate numbers for each unknown square is an important step when solving advanced Sudoku puzzles. This tedious task is already completed so the solving analysis can begin immediately using the process of elimination. Lots of puzzles with three levels: 134 Hard, 134 Very Hard, 134 Extreme.

• Format: Paperback
• Language: English
• ISBN: 0997092971
• ISBN13: 9780997092974
• Release Date: February 2017
• Publisher: Funster
• Length: 242 Pages
• Weight: 1.25 lbs.
• Dimensions: 10.0" x 0.6" x 7.0"