Camilla — Madeleine L'engle

Fifteen-year-old Camilla Dickinson has led a sheltered life on the Upper East Side with her architect father and stunningly beautiful mother. But this winter the security she has always known has vanished, because her parents' marriage is coming apart -- and Camilla is caught in the middle. She finds a way to escape her troubles when she meets Frank, her best friend's brother, who is someone she can really talk to about life, death, God, and her dream of becoming an astronomer. When Frank introduces her to the important people in his life, who are so different from anyone she has met before, he opens her eyes to worlds beyond her own, almost as if he were a telescope helping her to see the stars.

This novel, one of the author's earliest, is the story of a girl who, with the help of her first love, leaves childhood behind and enters adulthood with a newfound sense of self and inner strength.