The Death of Us — Alice Kuipers

A recovered friendship, a dark secret, and a love triangle with a deadly angle....

Callie is shocked when her friend Ivy reappears after an unexplained three-year absence, but the girls pick up where they left off, and suddenly Callie's summer is full of parties, boys, and fun. Beneath the surface, things aren't what they seem, however, and when a handsome boy with a dark past gets tangled up with Ivy, the girls' history threatens to destroy their future.