Michael Rosen on a new Roald Dahl dictionary collecting the amazing words he invented.
Paul Greengrass gives Francine Stock a masterclass on making a contemporary thriller.
Tony Lidington explores how modern clowns are coping with changing audiences and economics
BBC Radio 4 Extra
Christopher Biggins and Jenny Eclair chat about books they love with Harriett Gilbert.
Front Row visits Rio to find out what the plans are for the Cultural Olympiad.
15/20 The problems in creating a Great Britain are encapsulated in designs for a common flag.
John O'Farrell celebrates Kit Williams's groundbreaking picture puzzle book Masquerade.
4/4 Tom considers how we protect our personal space through design.
Ellen Page in Tallulah, John Cale on tomorrow's David Bowie Prom.
Open Book offers a guide to the works of Evelyn Waugh, as a new biography comes out.