Title: SWEENEY, THE (CONTACT BKS.)
Description: Reagan, the best detective in Scotland Yard's Flying Squad (Sweeney Todd, cockney rhyming slang). He's a loner, intolerant of red tape and insubordinate to his superiors. 
The first book in the Sweeney series, which was also an excellent, long running TV series.
Subjects: Cover is the rarer wrongly spelt (Sweeny) version.
Places: London
Time periods: 1970s