Ring Around the Luna — Elizabeth Kiem

It's the summer of 1939, and something is terribly wrong on Coney Island. At a time when America needs its favorite playground more than ever, a heavy cloud hangs over the boardwalk, hurting business and more alarmingly, swallowing children without a trace. It is enough to summon the Mermother from her depths to select twelve-year-old Buff as Coney Island's champion.