"When the shy, sensitive Laura Stearns arrives at St. Dunstan's Academy in Maine, she dreams that life there will echo her favorite novel, All Before Them, the sole surviving piece of writing by Byronic "prep school prophet" (and St. Dunstan's alum) Sebastian Webster, who died at 19, fighting in the Spanish Civil War. She soon finds the intensity she is looking for among the insular, Webster-worshipping members of the school's cultic chapel choir:...