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Books > Sport & Leisure > Hobbies, quizzes & games > Puzzles & quizzes > General
The Official Utterly Addictive Number-Placing Puzzle
Extreme Su Doku weather alert There's a blizzard of fun heading
your way with these all new Fiendish puzzles for the hardiest of Su
Doku fans. 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
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