Ninja Assassin Sudoku: Brown Belt

By Frank Longo

You're almost there With Brown Belt, you enter the top levels of sudoku. Here you will encounter such advanced techniques as X-wings, Gordonian rectangle variations, and other solving skills that are legendary among ninja puzzle warriors.

• Format: Paperback
• Language: English
• ISBN: 1402799535
• ISBN13: 9781402799532
• Release Date: March 2012
• Publisher: Puzzlewright
• Length: 176 Pages
• Weight: 0.35 lbs.
• Dimensions: 0.5" x 7.0" x 7.4"