Sudoku 16x16 Volume 7: Sudoku Xtra Specials - Paperback

by Gareth Moore (Author)

In this seventh volume of large 16x16 Sudoku puzzles, just as in the previous six volumes, every puzzle can be solved simply by observation - there's no need to write lots of tiny pencilmarks into each grid cell. Just place 1 to 9 and A to G into each of the rows, columns and 4x4 boxes. Visit www.SudokuXtra.com for more details.

Author Biography

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.