ALEXEI SAYLE AND MARK WATSON: The stand-up comedian-turned novelist talks about his new work of fiction, Overtaken. Mark Watson is a sitcom writer with a novel to promote. His debut, Bullet Points, delves into psychiatry and celebrity.
Voice Box, Royal Festival Hall, South Bank, SE1 (0870 405 4305). Wednesday 5 May, 7.30pm, £6, concs £4.