In this week's books podcast Sam is joined by Mark O'Connell, a writer whose latest book Notes from an Apocalypse: A Personal Journey to the End of the World and Back sees him investigate doomsday preppers, wannabe Mars colonists, the Ayn Rand billionaires buying up New Zealand, and the tourist route through Chernobyl. Why, he asks, is the apocalypse something we seem to fantasise about as much as fear?

The Book Club is a series of literary interviews and discussions on the latest releases in the world of publishing, from poetry through to physics. Presented by Sam Leith, The Spectator's Literary Editor. Hear past episodes here.