Midnight At Mount Emily: Book 3 - Mount Emily, #3

When Elena discovers that she might not actually be a Time Keeper, and is instead a Midnight Warrior, she suffers from a deep identity crisis. Together with her best friend Patsy Goh, she once again travels back in time to her mother's teenage years, where she attempts to prevent her mother from meeting her father, in order to save them from a disastrous marriage. But can they really change the past?