Do you ever wonder where the stuff around you all came from No not from eBay. I mean who had the amazing idea of making a mobile phone or the annoying idea of building a school For example did you know that Velcro was invented by a dog and WiFi by a movie star Spoiler alert it wasnt Zendaya.In the fourth laughoutloud book from Adam Kay and Henry Paker youll learn all about the coolest grossest and most ridiculous inventions in the world. Youll meet the queen who used the first ever toilet learn why margarine used to be full of maggots and find out why Ancient Greeks wiped their bums on dinner plates. Oh and hopefully some slightly more useful facts as well...An A to Kay to Z of the random ridiculous and revolutionary inventions that changed our lives. And some that definitely didnt . . .Praise for Kays AnatomyAn enjoyably gross look at the human body. Hours of gruesome fun guaranteed iLike listening to a teacher who makes pupils fall about Sunday TimesTotally brilliant Jacqueline WilsonFun and informative Malorie BlackmanVery funny this exciting book is bound to inspire the next generation of medics Sunday ExpressPraise for Kays Marvellous MedicineA ridiculously funny read that will delight gross out and educate all at the same time IndependentEducational and entertaining. It should be on the national curriculum Harry HillCompletely marvellous and very funny BookTrust