Gavin Francis is a GP, and the author of True North, Empire Antarctica: Ice, Silence & Emperor Penguins, which won the Scottish Book of the Year Award and was shortlisted for the Ondaatje Prize and Costa Prize, and Adventures in Human Being. He also writes for the Guardian, The Times, the London Review of Books and Granta. Gavin's latest book is Shapeshifters: On Medicine & Human Change.