The Outdoor Girls on Pine Island; or, A Cave and What It Contained

The Outdoor Girls plan to stay on Pine Island for the summer in a bungalow owned by Mollie Billette's aunt. Before the girls leave, thieves loot the town of Deepdale, stealing valuable family heirlooms from many people. Mollie is especially heartsick after her family's silver tea service is stolen. The authorities suspect a band of gypsies who recently left the area...