THE underworld of Hertfordshire is the focus of a new book being signed tomorrow (Saturday) in Stevenage. Copies of Hertfordshire Secrets & Spies, which looks at the history of espionage in the county, will be signed by Hitchin author Pamela Shields at W

THE underworld of Hertfordshire is the focus of a new book being signed tomorrow (Saturday) in Stevenage.

Copies of Hertfordshire Secrets & Spies, which looks at the history of espionage in the county, will be signed by Hitchin author Pamela Shields at Waterstones from 11am to 2pm.