Longitude : The True Story of a Lone Genius Who Solved the Greatest Scientific Problem of His Time

Sobel presents the dramatic human story of an epic scientific quest and of John Harrison's 40-year obsession with building the perfect timekeeper, known today as the chronometer.

Dava Sobel is an award-winning former science reporter for The New York Times, and writes frequently about science for numerous magazines including Audubon, Discover, Life, and The New Yorker. Longitude has been an international bestseller and published worldwide in twenty-three languages. Her new book, Galileo's Daughter: A Historical Memoir of Science, Faith, and Love, which chronicles the lives of the astronomer Galileo Galilei and his daughter, Suor Maria Celeste, is also available from Penguin. Sobel lives in East Hampton, New York.