Discover the dramatic tale of the Great Trigonometrical Survey of India in “The Great Arc.” Follow the incredible journey of William Lambton and George Everest as they map the Indian subcontinent and measure the Himalayas in the 19th century. Keay’s vivid narrative brings this ambitious scientific project to life, revealing the challenges, triumphs, and human stories behind the mapping of India and the naming of Everest. ISBN: 9780007481170