| Other Title | Tough sudoku :the ultimate set / |
| GMD | Book |
| Language | E |
| Classification | 793.7 MEP |
| Publisher | Pan Books, London, 2005 |
| Subject | Logic puzzlesMathematical gamesMathematics |
| Topic | Logic puzzlesMathematical gamesMathematics |
| Series | The Daily Telegraph# |
| Description | x, 100 p.;ill.;18 cm; |
| ISBN | 0330443097 |