All These Beautiful Strangers by Elizabeth Klehfoth From Goodreads: In the last day of summer, Grace Fairchild, the beautiful young wife of real estate mogul Allister Calloway, vanished from the family’s lake house without a trace, leaving behind her seven-year old daughter, Charlie, and a slew of unanswered questions. Years later, seventeen-year-old Charlie still struggles with the dark legacy of her family name and the mystery surrounding her mother. Determined to finally let go of the past, she throws herself into life at Knollwood, the prestigious New Englandschool she attends. Charlie quickly becomes friends with Knollwood’s “it” crowd. Charlie has also been tapped by the A’s—the school’s elite secret society well known…