A Highway 59 MysteryNine-year-old Levi King knew he should have left for home sooner; now he's alone in the darkness of vast Caddo Lake, in a boat whose motor just died. A sudden noise distracts him - and all goes dark. After the events of his previous investigation, Darren Matthews is trying to emerge from another kind of darkness. A possibility of rescue arrives in the form of a case down Highway 59. Levi's disappearance has links to Darren's last case. Now, Darren has to battle centuries-old suspicions and prejudices, as well as threats that have been reignited in the current political climate, as he races to find the boy, and to save himself.