The Twin - Natasha Preston

Ivy and Iris haven;t lived together for years - when their mother and father divorced, each parent got custody of one twin. But after a tragic accident takes their mom’s life, the devastated sisters are reunited, and Iris moves in with Ivy and their dad. Iris takes their mom’s death especially hard. She barely talks, spending hours alone in her room. Ivy can’t stand to see Iris so sad. She promised Iris that she can share her life now. After all, they’re sisters. Twins.