The dazzling success of The Toaster Project, including TV appearances and an international book tour, leaves Thomas Thwaites in a slump. His friends increasingly behave like adults, while Thwaites still lives at home, "stuck in a big, dark hole." Luckily, a research grant offers the perfect out: a chance to take a holiday from the complications of being human—by transforming himself into a goat. What ensues is a hilarious and surreal journey through engineering, design, and psychology, as Thwaites interviews neuroscientists, animal behaviorists, prosthetists, goat sanctuary workers, and goatherds.From this, he builds a goat exoskeleton—artificial legs, helmet, chest protector, raincoat from his mum, and a prosthetic goat stomach to digest grass (with help from a pressure cooker and campfire)—before setting off across the Alps on four legs with a herd of his fellow creatures. Will he make it? Do Thwaites and his readers discover what it truly means to be...