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The world's oceans cover just over 70.8 per cent of the Earth's surface, yet we now more about the moon than what lies beneath these waters. This beautifully illustrated history of humankind's exploration of the seas is produced in collaboration with the National Maritime Museum. Inside, award-winning writer, Carolyn Fry takes us on a journey that looks at how man set out to explore the oceans, to create trading routes, discover new lands and reveal what the seabed is really like. She shows how progress in scientific innovations, such as developments in measuring time, longitude and latitude, increased our knowledge of the Earth; how surveys and charts were conducted and measured; and how the introduction of new diving techniques allowed humans to look beneath the surface. In addition, Mapping the Oceans looks at the establishment of oceanographic institutions, ecological and biological research and why we continue to study this most tantalising of phenomena - the sea.