Absolutely Nasty(r) Sudoku Level 4

By Frank Longo

Top solvers can try their hand at the One-Sided Gordonian Rectangle; Extended Gordonian Rectangle; Gordonian Polygon; and Alternating Digits. (But they can take comfort in knowing that no more than one will occur in any single puzzle.)

• Format: Spiral-bound
• Language: English
• ISBN: B0075L2UMS
• ISBN13: 9781402743993
• Release Date: January 2007
• Publisher: Puzzlewright
• Length: 160 Pages
• Weight: 0.68 lbs.
• Dimensions: 0.5" x 6.5" x 8.9"