Alex Bellos on Twitter: "New book PUZZLE NINJA out next week. Pre-order now and get a free ninja pencil. You know it makes sensei! https://t.co/dFHeBf2gN2 https://t.co/frr2FDhn2s" / Twitter
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Amazon - Puzzle Ninja: Pit Your Wits Against The Japanese Puzzle Masters: Bellos, Alex: 9781783351367: Books
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Amazon - Puzzle Ninja: Pit Your Wits Against The Japanese Puzzle Masters: Bellos, Alex: 9781783351367: Books
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Amazon - Puzzle Ninja: Pit Your Wits Against The Japanese Puzzle Masters: Bellos, Alex: 9781783351367: Books
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