Murder on the Interstate is the third novel in the Logan & Cafferty series. Dana Logan and Sarah Cafferty are traveling along a northern Arizona interstate when they discover the body of a young woman in her Mercedes convertible. The killer returns to disable their motorhome and "Big Ruby" McCurdy, a truck driver, comes to their rescue. While following the killer's pickup to get his license number in the 18-wheeler, they find that he's not only stalking them, but is involved in a homegrown terrorist group that plans to take down the government. The plot is laced with humor and light romance as well as excerpts from recent headlines. (See reviews below)