Craig Brown is the author of  19 books. He has written  the parodic diary column on Private Eye for over thirty years. His most recent book One Two Three Four: The Beatles in Time, published in April this year is a Sunday Times bestseller; his previous book  Ma’am Darling: 99 Glimpses of Princess Margaret  won the James Tait Black Prize for biography and the South Bank Sky Arts Award for Literature, and was shortlisted for the National Book Critics Circle Award in the USA.