V.C. Andrews 
Willow 

High society was too much for her. One of the most popular storytellers of all time, V.C. Andrews (Flowers in the Attic, My Sweet Audrina) layers psychological suspense with seductive glamour in this provocative first book of the classic De Beers Family series.All that glitters isn’t gold… Wealth. Extravagant parties. Celebrity status. These are the things Willow knew only in her wildest dreamsuntil now. After discovering deep family secrets in her adoptive father’s journal, she leaves behind her North Carolina college town and sets out in search of her birth family amid the high-class society of Southern Florida. Using an assumed name and pretending to conduct a study of one of the nation’s wealthiest communities, Willow takes the city by storm and quickly becomes entangled with Thatcher Eaton, a young lawyer who sweeps her off her feet. But as Willow spirals into a passionate love affair and becomes intoxicated with the lifestyle of the rich and famous, the dark truth about her birth family threatens her fancy new life, pushing her to the brink of insanity…