{"product_id":"ball-of-confusion-book-johnny-ball-9781848313484","title":"Ball of Confusion","description":"TV maths star Johnny Ball presents brain-teasers from his regular slot on his daughter Zoe's Radio 2 show.  Ball of Confusion is designed to twist your brain into enjoyable knots of empuzzlement, from puzzles solved in a twinkling of an eye to some that will knit your brow for hours. From how to cheat in a coin toss to why it is that some parts of a high speed train travelling at 125mph are actually going backwards, Ball of Confusion will bend your mind in places it's never been bent before.  'This is a lovely compilation of puzzles including many classics, and Johnny Ball's legendary enthusiasm and humour jump out of every page.' Rob Eastaway, co-author Maths for Mums \u0026amp; Dads.","brand":"WoB","offers":[{"title":"GB \/ VERY_GOOD \/ INTERNAL","offer_id":49585434329361,"sku":"GOR003455392","price":10.0,"currency_code":"USD","in_stock":true},{"title":"GB \/ LIKE_NEW \/ INTERNAL","offer_id":49595470151953,"sku":"GOR011345342","price":10.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0784\/4072\/6801\/files\/1848313489.jpg?v=1751092537","url":"https:\/\/www.worldofbooks.com\/products\/ball-of-confusion-book-johnny-ball-9781848313484","provider":"World of Books ","version":"1.0","type":"link"}