"I'm a bit scared of speed. And I've never been Bob Slaying, but it turned out to be one of the most fun books I've written," he says. Paragliding is something else that allows you to glide through the air very, very slowly. "It's nuts. They're so high and I live very close to the Italian border and I'm like, they must be just flying over the Italian Alps and now they're back over the French Alps."