{"product_id":"100-numerical-games-first-edition-first-dover-math-games-puzzles-1st-ed","title":"100 Numerical Games (First Edition, First) (Dover Math Games \u0026 Puzzles) (1ST ed.)","description":"\n\u003ctable align=\"center\" border=\"0\" cellpadding=\"2\" cellspacing=\"0\" width=\"100%\"\u003e\n\u003ctr\u003e\n\u003ctd class=\"productDetailSmallElements\"\u003e\n\u003cp\u003e\n\u003cstrong\u003eBiographical Note\u003c\/strong\u003e:\u003cbr\u003e\n\t\t\t\t\t\t\t\tPierre Berloquin is a French operations research engineer, writer, and game designer who has written more than 40 books in the area of recreational mathematics.\u003cbr\u003e\u003cbr\u003e\n\u003cstrong\u003eBrief Description\u003c\/strong\u003e:\u003cbr\u003e\n\t\t\t\t\t\t\t\tOriginally published: New York: Scribners Sons, 1976.\u003cbr\u003e\u003cbr\u003e\n\u003cstrong\u003ePublisher Marketing\u003c\/strong\u003e:\u003cbr\u003e\n\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 \n\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\n\u003c\/p\u003e\n\u003cbr\u003e\n\u003cbr\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n","brand":"Dover Publications","offers":[{"title":"Default Title","offer_id":46581091008643,"sku":"SPTM-9780486789583","price":9.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0564\/6830\/8099\/files\/9780486789583_spiral_8bc2a02f-1221-49e2-821d-fbb0c88d94d8.png?v=1770801604","url":"https:\/\/sebink.com\/products\/100-numerical-games-first-edition-first-dover-math-games-puzzles-1st-ed","provider":"Sebink","version":"1.0","type":"link"}