Mother and son to the rescue, in the fourth Dave & Mom mystery Dave's latest case involves the murder of a local madam, whose body is discovered in her bedroom along with a homeless man named Harry. The district attorney is eager to convict Harry despite his plea of innocence, but the public defender is ready to fight. With Mom and Dave on the job, it won't be long before the real killer is running scared.

James Yaffe is an English professor and writer-in-residence at Colorado College in Colorado Springs, where he lives with his wife and three children. A transplanted New Yorker, Mr. Yaffe first introduced Mom and Dave in the pages of Ellery Queen Quarterly Magazine.