Defining the Wind: The Beaufort Scale and How a 19th-Century Admiral Turned Science into Poetry

Defining the Wind is a wonderfully written account of one man's crusade to learn about what the wind is made of by tracing the history of the Beaufort Scale and its eccentric creator, Sir Francis Beaufort. It's as much about the language we use to describe our world as it is an exhortation to observe it more closely.