Book at Bedtime - Blackout in Gretley - Episode 7

Sensitive information is being leaked to the enemy, and the department of counter espionage has sent in Humphrey Neyland to try and discover who is responsible. Neyland has found a list of phone numbers in the dressing room of the mysterious acrobat, Mamzelle Fifine, and he asks Superintendent Hamp to discover who they belong to. Anton Lesser reads JB Priestley's atmospheric war-time thriller. Abridged and produced by Jane Marshall Productions for BBC Radio 4.