"The Moving Picture Girls at Sea" by Laura Lee Hope is an enthralling continuation of the adventures of Ruth and Alice DeVere, two talented sisters who are part of the exciting world of silent films. In this installment, Ruth and Alice find themselves embarking on a thrilling journey as they set sail on a cruise across the ocean. The sisters have been invited to join a film company on board a luxurious cruise ship, where they will not only enjoy the beautiful sea views but also participate in the production of a new motion picture. Excitement fills the air as the ship departs, carrying a vibrant cast and crew ready to create magic on screen. Ruth and Alice are thrilled to be part of the production, with Ruth assisting with the script and Alice taking on a prominent acting role. Onboard, they meet a delightful mix of fellow passengers, including seasoned actors, dedicated crew members, and film enthusiasts. As the ship sails through the sparkling waters, the girls are immersed in the world of filmmaking at sea. They witness the hard work and creativity that goes into producing a movie, from setting up scenes on the deck to capturing action shots against the backdrop of the endless ocean. Amidst the glamour of the film industry, the girls encounter various challenges that test their resolve and teamwork. They must navigate the unpredictability of weather, cope with last-minute script changes, and handle occasional on-set mishaps-all while forming lasting friendships with their fellow travelers. However, their voyage is not without intrigue. The sisters stumble upon a curious mystery involving a missing piece of valuable film equipment. Drawn to the puzzle, they embark on a quest to uncover the truth behind the disappearance, leading them on an exciting adventure throughout the ship and its various ports of call. "The Moving Picture Girls at Sea" is a captivating tale that combines the allure of ocean voyages with the magic of the early film industry.