Jeneration X: One Reluctant Adult's Attempt to Unarrest Her Arrested Development; Or, Why It's Never Too Late for Her Dumb Ass to Learn Why Froot Loops Are Not for Dinner

In Such a Pretty Fat, Jen Lancaster learned how to come to terms with her body. In My Fair Lazy, she expanded her mind. Now the New York Times bestselling author gives herself—and her generation—a kick in the X, by facing her greatest challenge to date: acting her age.

Jen is finally ready to put away childish things (except her Barbie Styling Head, of course) and embrace the investment-making, mortgage-carrying, life-insurance-having adult she’s become. From getting a mammogram to voluntee...