Julie Summers is a bestselling writer, researcher and historian. Her books include: Fearless on Everest: The Quest for Sandy Irvine; a biography of her grandfather, the man who built the 'real' bridge over the River Kwai, The Colonel of Tamarkan, Stranger in the House and When the Children Came Home, a social history of servicemen returning to their families from the Second World War. She lives in Oxford.

Ian Hislop is editor of Private Eye and a well-known broadcaster and writer.