3rd degree : a novel
(Book)

Detective Lindsay Boxer is jogging along a beautiful San Francisco street when a fiery explosion rips through the neighborhood. A town house ownded by an Internet millionaire is immediately engulfed in flames, and when Lindsay plunges inside to search for survivors, she finds three people dead. An infant who lived in the house cannot be found--and a mysterious message at the scene leaves Lindsay and the San Francisco Police Department completely baffled.