Dead of summer : a novel

Orla O'Connor hasn't been to the isolated New England enclave of Hadley Island since she graduated from high school a decade ago. As a teenager, her best friend Alice disappeared from its shores without a trace--but with plenty of rumors. Now, Orla returns to her family's beachfront home to clean it out before her parents sell it. The island and her best friend's house next door, abandoned after her family left in grief, are stirring up memories...