Ever-popular crime and mystery book writer Karin Slaughter gives us a brand new Will Trent novella, exclusively in eBook format. For those of us not familiar with Trent, Slaughter’s hero from many earlier mystery books, this is a great introduction to the agent with the Georgia Bureau of Investigation (GBI). Will is relegated to checking airport restrooms for illicit sexual activity as punishment for not keeping his hair at regulation GBI length. While on duty at the Atlanta airport, Trent overhears a young girl in the next restroom cubicle pleading with the man she’s with to be allowed to go home. It could just be an innocent conversation between a child and a parent, but his gut tells him that something’s wrong. Held back by his own self-doubt and a dead cellphone, Will is too...