Frostbite (Destroyers, Book Four)

Ever since her mother left her, Sophia's teenage years have been plagued with another presence that lives inside her-an angry old hag that freezes everything around her whenever she gets upset or angry. She cannot tell her grandmother or anyone else of the other, even though it can rise up and kill everyone she loves in an instant. But everything reaches a tipping point when she learns that her boyfriend, Shane, has been spying on her best friend, Callie. It seems that Callie has some secre...