
Are you brave enough to try the ultimate Sudoku test?
Yes? Then be prepared to be magnificently mind-mangled by the Challenge Edition
This book contains more than 150 puzzles that will test your number-crunching talent to the max. If you can solve them, you really are a Sudoku superstar
Let the challenge begin
| john portmann chandrahas choudhury anthea bell roger cardinal walter g stephan | miles leggett daniel o connor alex haley intakhab a khan k birch |