She may be down, but she’s not out. So when a woman vanishes, leaving her car behind in a supermarket parking lot, Sloan searches online for similar cases. She finds them, spread across three states.

You are purchasing a Good copy of 'Hidden Nature'. May include stickers on the cover, wear or absence of the dust jacket, wear to the spine or inside cover, slight corner curling, minor staining, and wear along the fore edge.

You are purchasing a Good copy of 'Hidden Nature'. May include stickers on the cover, wear or absence of the dust jacket, wear to the spine or inside cover, slight corner curling, minor staining, and wear along the fore edge.

You are purchasing a Good copy of 'Hidden Nature'. Condition Notes: curled corners on pages.

You are purchasing a Acceptable copy of 'Hidden Nature'. Condition Notes: Fairly worn, but readable and intact. If applicable: Dust jacket, disc or access code may not be included.

You are purchasing a Good copy of 'Hidden Nature'.

You are purchasing a Good copy of 'Hidden Nature'. A solid, complete copy that's ready to enjoy.