Beau Blackstone

Beau Blackstone is a 1973 historical thriller novel by the British writer Derek Lambert, published under the pen name Richard Falkirk. It is the third in a series of six novels featuring Edmund Blackstone, a member of the Bow Street Runners in the pre-Victorian era. Blackstone goes undercover amongst a gang of navvies working on a new railway, and is called on for plans to thwart the first Great Train Robbery.