Maggie Kneen

With their father en route to Africa for Doctors Without Borders, city-kids Nicholas and younger twin sisters Haley and Hetty are off to spend the summer with their Great-Uncle Nick at his house on Forsaken Lake. Despite some initial doubts, Nicholas is right at home in the country: he learns to sail, learns about his father as a boy, and makes fast friends with a local-girl, the tomboy Charlie.
The summer takes a turn toward the mysterious, though,...