Due to continuing demand Sudoku Xtra Specials returns with a seventh volume of 50 enormous 25x25 Sudoku puzzles. Printed in large page format on top-quality paper, each puzzle is attractively presented in a range of symmetric patterns. Every sudoku in the book is guaranteed to be human-solvable - you can complete all of the puzzles just by scanning rows, columns and boxes, without having to make any pencil mark notes. Just place A to Y into every row, column and 5x5 box. Visit www.SudokuXtra.com for more details.