Top ten alternative realities

Sam Leith is the author of two acclaimed non-fiction books, Dead Pets and Sod's Law, and the new novel, The Coincidence Engine, in which he "play[s] with the idea that only in a multiverse where every possibility had been exhausted could anything as improbable as our reality exist."For the Guardian he named a top ten list of fiction's alternative realities, including:The Subtle Knife by Philip