The Words Between Us by Erin Bartels
Fleeing the shadow of her family's sinister past, Robinthinksshe's found sanctuary working in a Michigan used bookstore. But when she receives an eerily familiar book in the mail on the morning of her father's execution, she realizes her cover is blown. Why won't her ex---the "perfect boy" who ruined everything---just leave her alone? \
352 pages, softcover from Revell.