One Last Warning: (A Quinn & Costa Thriller)

Allison Brennan's New York Times bestselling series continues when a figure from Quinn and Costa's past sends them a warning they can’t ignore.

Matt Costa’s thirteen-year-old neighbor is missing, and he’s determined to find her. But when she’s discovered in a diner just twenty-four hours later, unharmed but drugged, Matt learns her disappearance is more complicated than he expected—it’s a warning for him. A typewritten note left with her insists he provide the current address of Marie Hardin...