The party crasher a novel

"It's been over two years since Effie's beloved parents got divorced, destroying the image of the happy, loving childhood she thought she had. Since then, she's become estranged from her father and embarked on a feud with his hot (and much younger) girlfriend, Krista. And now, more earth-shattering news: Greenoaks, the rambling Victorian country house Effie called home her whole life, has been sold. When Krista decides to throw a grand "house coo...