Sudoku 25x25 Volume 6: Sudoku Xtra Specials

Returning for a sixth volume of giant puzzles by popular demand, Sudoku 25x25 Volume 6 brings you 50 more enormous 25x25 Sudoku. 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.


About the Author
Dr Gareth Moore is the author of a wide range of brain-training and puzzle books for both children and adults, including The Mammoth Book of Fun Brain Training, Keep Your Brain Fit: 101 Ways to Tone your Mind and The Rough Guide Book of Brain Training. He also writes the monthly magazine Sudoku Xtra (www.sudokuxtra.com) and runs the puzzle website www.puzzlemix.com. He gained his Ph.D from Cambridge University in the field of Artificial Intelligence, and has contributed to various advanced projects for leading technology companies.