Description
Only diehards need apply! These incredibly difficult sudoku are made to challenge even the most expert solver - and strain their brains to bursting. Each puzzle requires upper-level strategies that have been honed to perfection from regular practice. Designed by powerhouse sudoku creator Frank Longo, they'll have dedicated fans tearing their hair out-and loving every moment.
Info
ISBN: 9781402780158
Published Date: April 3, 2012
Publisher: Puzzle Wright Press
Language: English
Page Count: 448
Size: 9.01" l x 5.87" w x 1.48" h
Category
Games
Subject
Puzzles