Title: Gone-Away Lake (Gone-Away Lake #1)
Description: Once, Tarrigo Lake was an exclusive resort for a select handful of wealthy families; but when a modern dam diverts the water, the lake becomes a bog and the resort is abandoned and forgotten. Two children stumble across it by accident and befriend the elderly brother and sister who have come back to live there.

This magically-written book was a Newbery runner-up.
Subjects: Cousins, Juvenile fiction, Lakes, Fiction, Vacations, Mystery and detective stories, Adventure and adventurers, Summer, Family life, Marshes, Newbery Honor, Children's fiction, Adventure and adventurers, fiction, Vacations, fiction, Brothers and sisters, fiction, Siblings, fiction