In his book, Davies raises the really Big Questions like "What is life? Davies goes on to state that "the origin of life remains a deep mystery." Davies' proposes that intelligent life could be relatively common in the universe. This book provides a solid overview of current knowledge and theory on extraterrestrial life. "Rare Earth" is another book for enthusiastic readers in this field, which argues that intelligent life is very uncommon in the universe. 10 pgs. Bibliography lists 1 source.
