From the #1 New York Times bestselling author of Love Your Life comes a humorous and heartwarming novel about family, set against the backdrop of the most fabulous party you've ever snuck into.

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 cooling" party, Effie is originally left off the guest list-and then receives a last-minute "anti-invitation" (maybe it's because she called Krista a gold-digger, but Krista totally deserved it, and it was...