Prepare yourself to take on the challenge that is Telegraph Killer Sudoku 1. The ultimate test of logic, these demanding puzzles will put your mind through its paces. 200 killer sudoku grids allow you to hone your puzzling skills on your commute, during your leisure time or whenever you have a spare minute!
The Telegraph Killer Sudoku 1 - The Telegraph Puzzle Books
Paperback (03 Jun 2013)
Includes delivery to USA
10+ copies available online - Usually dispatched within 7 days