{"product_id":"100-numerical-games-pierre-berloquin-9780486789583","title":"100 Numerical Games","description":"\u003ci\u003eFollow the hour hand and minute hand of a clock for 24 hours. How many times do they form a right angle?\u003cbr\u003eTimothy's house has several rooms, each of which has an even number of doors, including doors that lead outside. Is the number of outside doors even or odd?\u003cbr\u003e\u003c\/i\u003eStimulating and delightful, this collection of puzzles features original and classic brainteasers. The author, a puzzle columnist for \u003ci\u003eLe Monde, \u003c\/i\u003e specially selected these mind-benders for the widest possible audience, ensuring that they're neither too hard for those without a math background nor too easy for the mathematically adept. All puzzles are clearly stated and accurately answered at the back of the book ― and they're great fun to consider, whether you crack them or not. Includes a Foreword by Martin Gardner\u003cbr\u003e\u003cbr\u003e\u003cb\u003eAuthor:\u003c\/b\u003e Pierre Berloquin\u003cbr\u003e\u003cb\u003eISBN-10:\u003c\/b\u003e 0486789586\u003cbr\u003e\u003cb\u003eISBN-13:\u003c\/b\u003e 9780486789583\u003cbr\u003e\u003cb\u003ePublisher:\u003c\/b\u003e Dover Publications\u003cbr\u003e\u003cb\u003eLanguage:\u003c\/b\u003e English\u003cbr\u003e\u003cb\u003ePublished:\u003c\/b\u003e 08\/19\/2015\u003cbr\u003e\u003cb\u003ePages:\u003c\/b\u003e 160\u003cbr\u003e\u003cb\u003eFormat:\u003c\/b\u003e Paperback\u003cbr\u003e\u003cb\u003eWeight:\u003c\/b\u003e 0.45lbs\u003cbr\u003e\u003cb\u003eSize:\u003c\/b\u003e 8.30h x 5.40w x 0.50d","brand":"Pierre Berloquin","offers":[{"title":"Paperback","offer_id":43990199795967,"sku":"9780486789583","price":9.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/2982\/9887\/files\/img_4cfc8cb9-419a-4bf4-b9fa-e53cc70d9673.jpg?v=1683303566","url":"https:\/\/www.whiterainbookhouse.com\/products\/100-numerical-games-pierre-berloquin-9780486789583","provider":"WR Book House","version":"1.0","type":"link"}