With Mark Lawson

Sir Tom Stoppard has written Darkside, a new radio play starring Bill Nighy and Rufus Sewell, to mark the 40th anniversary of Pink Floyd's album The Dark Side of the Moon. In discussing the play Stoppard talks about thought experiments, moral philosophers, and Mamma Mia.

Elysium is a science fiction thriller set in a future where privileged elite live on the space station Elysium while the rest of the population remains on a damaged earth. Directed by Neill Blomkamp, who is best known for his politically charged 2009 film District 9, the sci-fi blockbuster stars Jodie Foster as the ruler of Elysium and Matt Damon as the man trying to break across the divide. Naomi Alderman reviews.

Charlaine Harris is best known for her Sookie Stackhouse series which inspired the True Blood TV drama. Harris discusses her distinct Southern gothic style, books which fell short of her aspirations and how fans reacted angrily to the conclusion of her famous vampire series.

Producer Claire Bartleet.