Have you ever stood on a beach and looked out to sea? Have you wondered what was beyond the horizon? Since ancient times, humanity sought to sail beyond the horizon in search of treasure, adventure, and the unknown. The ebooks and digital audiobooks listed here tell of voyages of exploration, seafaring adventures, sagas of survival and espionage. Many of these titles are based on true stories. Some are set in faraway locations with interesting characters. Whatever the plot, these stories have one thing in common – the ocean.