"Seventeen-year-old Gwen Castle is a working-class girl determined to escape her small island town, but when rich-kid Cass Somers, with whom she has a complicated romantic history, shows up, she's forced to reassess her feelings about her loving, complex family, her lifelong best friends, her wealthy employer, the place she lives, and the boy she can't admit she loves"-- Provided by publisher.

"Stranded on a deserted island with a boy they barely know, sisters Emma and Henri have to find a way to survive together, even after a betrayal back home ruined their relationship"--

"When Aster wakes alone on a tropical island, she has no idea what has happened, why she is there, or where to find her younger sister, Poppy. Meanwhile Sam, who once met the sisters on a plane, makes links between the mystery of their disappearance and suspicious happenings in his own life. In a stunning dual narrative, the truth unravels with devastating effect - and the answer lies in the secret underwater world surrounding the desert island, populated...

Each summer the wealthy, seemingly perfect Sinclair family meets on their private island. Cadence, Johnny, Mirren, and Gat are a unit, especially during "summer 15," marking their fifteenth year on Beechwood-- the summer that Cady and Gat fall in love. Cady became involved in a mysterious accident, in which she sustained a blow to the head, and now suffers from debilitating migraines and memory loss. When she returns to Beechwood during summer 17...