Vast, mysterious, and endlessly rich in human history, the ocean floor is hometo millions of shipwrecks ... each with its own fascinating story to tell. From the dramatic discovery of the world's first analog computer to the incredible secrets uncovered in a sailor's good luck charm, underwater excavation has revealed historical truths dating back to the beginning of modern civilization. As the exciting field of marine archaeology continues to grow, so do the astonishing discoveries from the ocean floor—with every sunken ship shedding light on moments in time that only the sea remembers. From National Book Award Winner Martin W. Sandler, Shipwrecked! is a riveting deep dive into some of the world's most incredible shipwrecks and what they reveal about human history. It is also the story of the birth of one of the most exciting fields in science—marine archaeology—and the key figures, excavations, and techniques that have contributed to its major scientific achievements.