 To mark the 50th anniversary of The Archers in 2001, Keri produced Letters from Ambridge for BBC Radio 4.Celebrity listeners contributing to this series of Archers-inspired talks included author Ian Rankin, broadcaster Nicholas Parsons and playwright Mark Ravenhill.Until 2003, he devised and co-presented live shows which took The Archers to theatres and public events around the country, and even on cruise liners in the Mediterranean and the Baltic.