Robert B. Parker: Double Deuce (USA 1993)
From the Publisher:
Hawk wants Spenser to wage war on a street gang. Susan wants Spenser to move in with her. Either way, Spenser's out of his element. So why not risk both?
Robert B. Parker: Double Deuce. Berkley Publishing Group, ISBN: 0425137937 (April, 1993), 256 p., $7.99.