Sudoku: The Ultimate White Book - Hard To Very Hard, Puzzles & Solutions - Paperback
by Will Soto (Author)
The Ultimate White Book: SUDOKU PUZZLES - Volume ONE. 110 pages. Difficulty Level: Hard to Very Hard. 100 New Puzzles with Solutions. Difficulty: 50x Hard and 50x Very Hard.
Number of Pages: 114
Dimensions: 0.24 x 10 x 8 IN
Publication Date: December 19, 2008