The Official Utterly Addictive Number-Placing Puzzle
'Tis the season for Su Doku! Curl up with these all new Easy- to Medium-level puzzles for that warm, cozy feeling when there's a nip in the air! More than just hours of entertainment, Su Doku engages your mind, improves your concentration, and helps you stay mentally fit. With 150 brand-new puzzles to complete, you'll become a Su Doku master in no time!