In Dark Arson (#16) set in Portland in 1975, Mike's neighborhood is victim to a series of mysterious arson cases, including a house he was renovating. When an old lady at the end of his block is killed in a fire, her daughter, a stunning redhead psychiatrist from Olympia, Washington, hires Mike to find the arsonist. His investigation leads to a famous bank robber of the 1930s and 40s, Eddie Bentz, who consulted on hundreds of bank robberies for various crooks and hid untold wealth in flophouses around the country. Mike teams up with Dan Ahrens, a Seattle detective and learns that past accomplices of Bentz are squeezing him to find out his hiding places. Fire chases Mike as he chases a man thought to have drowned in a 1962 escape from Alcatraz. Lots of twists and turns in this adult language and seduction situation novel.