Providence by Caroline Kepnes

rowing up as best friends in small-town New Hampshire, Jon and Chloe are the only ones who truly understand each other, though they can never find the words to tell one another the depth of their feelings. When Jon is finally ready to confess his feelings, he’s suddenly kidnapped by his substitute teacher who is obsessed with H.P. Lovecraft and has a plot to save humanity.

Mourning the disappearance of Jon and facing the reality he may never return, Chloe tries to navigate the rites of entering young adulthood and “fit in” with the popular crowd, but thoughts of Jon are never far away… Read more.