What if an exterminator learns that the worst pests have two legs?When an activist ecology professor is found dead in his hotel room, the police chalk it up to natural causes, but his wealthy and fiery widow is convinced it's foul play. She needs someone who can operate behind the scenes--in the dark cracks and gritty crevices of San Francisco. Riley the exterminator fits the bill.Riley's career as a police detective was cut short when do-gooders...