Walter Redfern is Emeritus Professor of French Studies at Reading University. His research interests include Giono, Nizan, Queneau, Sartre, Darien, Vallès, Tournier, Guilloux; wordplay; clichés; coinages, as well as 19th-century linguistics (J-P. Brisset). In addition to numerous articles on French nineteenth- and twentieth-century literature, humour, and political commitment, his output includes BBC talks and scripts for programmes on language matters, a novel, short stories and poems. He has written several books, including, most recently, Puns, 2nd revised edition (Penguin, 2000).