Outdoor Girls On Pine Island, Or A Cave and what it Contained

The Outdoor Girls on Pine Island, or, A Cave and What It Contained is a novel by Laura Lee Hope, published in 1921. It is part of the "Outdoor Girls" series of books. The story follows the adventures of a group of friends: Mollie Billette, Grace Ford, Betty Nelson, and Amy Stonington. The girls are excited to spend their summer vacation on Pine Island, where they plan to swim, hike, and explore th...