The Mail on Sunday is the UK's most popular Sunday paper, recording higher sales than The Sunday Times, The Sunday Telegraph and The Sunday Express. The Mail on Sunday Super Sudoku volumes follow the success of the Daily Mail New Cryptic Crosswords titles published by Hamlyn - Cryptic Crosswords Volumes 1, 2 and 3 have combined sales of over 30,000 copies. Over 150 puzzles to challenge everyone from novice puzzlers to even the most practiced sudoku fan.