Selkirk catching a goat. Public domain, via Wikimedia Commons You might think you’ve already heard a story about someone marooned on an uninhabited island who needs to fight for survival. The iconic image of Tom Hanks desperately calling for Wilson, the anthropomorphised volley ball in Castaway (2000), probably comes to mind. There is also the juggernaut reality series Alone, the popularity of which raises questions about why its followers are so fascinated by isolation and survival. And then