Sudokus are the ever-popular number placement puzzles that give your brain a workout. Spanning a number of difficulty levels, this collection comes in an elegantly designed package making it perfect gift for yourself or others. • EXERCISE YOUR BRAIN: Give your mind a great workout as you pit your wits against these number-placement teasers. • ELASTIC TIE: This strap holds your pages together securely, ensuring they don't become bent or scruffy. • GIFT EDITION: Designed with a stylish cover, this collection would make a brilliant gift for all puzzle-lovers out there. ABOUT THE SERIES: Arcturus Elegant Puzzles are beautiful pocket-sized puzzle books, presented with elegant cover designs and elastic book bands to hold the pages closed. This pretty package makes a perfect gift.