Sudoku Mania #2

Publisher Marketing: The game must go on! If you haven't yet discovered Sudoku, you'll be playing like a pro in no time. If you -- like millions of other Americans -- are already hooked on the game, this second book in the "SUDOKU MANIA" series will provide further hours of challenging, mind-boggling fun -- with four skill levels: Painless - Tricky - Nasty - Migraine Contributor Bio:  Sinden, Pete Gareth Moore holds a Ph. D. from Cambridge University in the field of machine intelligence and designed his own Kakuro computer program in fall 2005. Visit his Kakuro website at www.dokakuro.com.