For John, a potato isn't just a staple food, it's also something wondrous, the secret of his success and the key to the future. With his brother, Greg, he has turned his father's greengrocery business into Spudnik, Britain's largest dealer in potatoes. Now he wants to change the world by introducing, through potatoes, edible vaccines: plants genetically modified to provide an edible alternative to injections. A book about our times, and how we are hurtling, almost silently, into a new age with implications that are unfathomable. Funny, fluent, and provocative it is major new novel from one of our finest contemporary writers, author of 'In a Land of Plenty'. 'Dark social comedy and satire with an accompanying rich sauce of sex ... he is a writer with purpose' —Guardian 'Every bit as ambitious and accomplished as you would expect' —Daily Mail