The Golden Ratio: The Story of Phi, the World's Most Astonishing Number

The first book for the layperson on a mathematical relationship that has obsessed mathematicians, philosophers, scientists, and artists since ancient Greece--an omnipresent number considered to be "divine."

Mario Livio is head of the Science Division at the Hubble Space Telescope Institute, where he studies a broad range of subjects in astrophysics, particularly the rate of expansion of the universe. He is the author of one previous book,
The Accelerating Universe (2000). He is a frequent public lecturer at such venues as the Smithsonian Institution and the Hayden Planetarium. He lives in Baltimore, Maryland.