Jeremy Treglown is a writer and critic who spends part of every year in Spain and has written about the country for Granta and other magazines. His previous books include biographies of Roald Dahl, Henry Green (Dictionary of Literary Biography Award), and V. S. Pritchett (shortlisted for the Whitbread Award for Biography; Duff Cooper Prize for Literature). A former editor of The Times Literary Supplement, he has taught at Oxford, University College London, Oxford, Princeton and Warwick, and has written for The New Yorker and The New York Times Book Review. He lives in London.

The son of Norwegian parents, Roald Dahl was born in Wales in 1916 and educated at Repton. He was a fighter pilot for the RAF during World War Two, and it was while writing about his experiences during this time that he started his career as an author. His fabulously popular children's books are read by children all over the world. He died in November 1990.