If you enjoy big Sudoku puzzles then you'll love this book Printed at large format size, and featuring 50 carefully crafted 16x16 Sudoku, each puzzle is attractively presented in a range of symmetric patterns. All of these Sudoku 16x16 puzzles have a guaranteed sensible, logical solution. Each puzzle can be solved by nothing more complex than simply scanning the rows, columns and 4x4 boxes, without having to make any pencil mark notes. Visit www.SudokuXtra.com for more details.