Our precious Lulu

"Geraldine, long-suffering, dumpy and hardworking, has had her life made hell by her stepsister Lulu. Lulu, long-legged, beautiful, spiteful and ruthless, was an intolerable child and has matured into an intolerable adult. But Geraldine's exemplary patience with Lulu has rested on one simple but long-lasting assumption about the family. And now it's dawning on her that it could, in fact, be wrong... "--Publishers description.