Sudoku Puzzle 16X16, Volume 4

Sudoku Puzzle 16X16 Volume 4 EBook contains total of 114 puzzles organized at 5 different difficulty levels (1-5) with all of their solutions. The instruction to play both in English and Spanish. This book was designed for more advanced sudoku players. Each individual puzzle has a single unique solution based on logical strategies and no "guessing" or "Trial & Error" are required. Please note that this is a DRM FREE EPUB format EBook and you should be able to print your puzzles or solve them on ...