"Over the Edge of the World" is a non-fiction book by Laurence Bergreen, first published in 2003. The book tells the story of the first circumnavigation of the globe by Ferdinand Magellan and his crew in the early 16th century. The voyage was sponsored by the king of Spain, and Magellan's goal was to find a new trade route to the East Indies. The journey was perilous, with the crew facing many challenges such as storms, disease, and mutiny. Bergreen's account of the voyage is based on primary sources and explores the personal lives and motivations of the crew, as well as the historical and cultural context of the voyage. The book provides a vivid portrayal of the age of exploration and the bravery and determination of Magellan and his crew. It has been praised for its engaging narrative and meticulous attention to historical detail.