Third-Degree Black Belt Sudoku®
By Frank Longo
Preview available
Watch out--these sudoku might crush even the most stalwart of solvers!
Book Details
- Country: US
- Published: 2009-08
- Publisher: Sterling Publishing Company, Inc.
- Author(s):Frank Longo
- Language: English
- Pages: 192
- Categories:Games & Activities / Sudoku
- Available Formats:PDF
- Reading Modes:Image