This bestselling biography of one of the 20th century's most remarkable and controversial writers is now available in paperback.Author Barbara Branden, who knew Rand for nineteen years, provides a matchless portrait of this fiercely private and complex woman."

As the author shows, thinking is not an automatic process known to everyone "instinctively," but an acquired skill; and - like every human skill - it involves certain principles which have to be identified and learned. She discusses these principles in detail and spells out the specific techniques for avoiding thinking errors and maximizing the productiveness of one's mental effort.