ISBN-13: 9780062213815 / Angielski / Miękka / 2012 / 240 str.
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