Humans have long wondered whether they are alone in the universe or whether life exists on other planets. Contributors to this intriguing anthology explore whether there is life beyond Earth, the role of science in hunting for extraterrestrial life, the mystery of UFOs, and the potential impact of contact with otherworldly life forms.
Used availability for Sylvia Engdahl's Extraterrestrial Life
October 2005 : USA Hardback
October 2005 : USA Paperback