{"product_id":"100-numerical-games-paperback","title":"100 Numerical Games - Paperback","description":"\u003cp\u003eby \u003cb\u003ePierre Berloquin\u003c\/b\u003e (Author), \u003cb\u003eMartin Gardner\u003c\/b\u003e (Foreword by), \u003cb\u003eDenis Dugas\u003c\/b\u003e (Illustrator)\u003c\/p\u003e\u003cp\u003e\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\u003c\/p\u003e\u003ch3\u003eAuthor Biography\u003c\/h3\u003e\u003cp\u003ePierre Berloquin is a French operations research engineer, writer, and game designer who has written more than 40 books in the area of recreational mathematics.\u003c\/p\u003e\u003cdiv\u003e\n\u003cstrong\u003eNumber of Pages:\u003c\/strong\u003e 160\u003c\/div\u003e\u003cdiv\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 0.5 x 8.3 x 5.4 IN\u003c\/div\u003e\u003cdiv\u003e\n\u003cstrong\u003eIllustrated:\u003c\/strong\u003e Yes\u003c\/div\u003e\u003cdiv\u003e\n\u003cstrong\u003ePublication Date:\u003c\/strong\u003e August 19, 2015\u003c\/div\u003e","brand":"Books by splitShops","offers":[{"title":"Default Title","offer_id":42176224166023,"sku":"9780486789583","price":9.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0601\/2623\/2711\/files\/905c0dfb72dc78dd3d6e77ebfd62a979.webp?v=1733388005","url":"https:\/\/booksby.splitshops.com\/products\/100-numerical-games-paperback","provider":"Books by splitShops","version":"1.0","type":"link"}