WAlien Oceans is a 2020 non-fiction book by American writer and scientist Kevin Peter Hand. The book explores the possibility of life on planets and moons with subsurface oceans, and argues that the common understanding of the habitable zone should include natural satellites around gas giants. Satellites discussed in the book include Europa, Enceladus, and Triton.
WBarlowe's Guide to Extraterrestrials is a science fiction book by artist Wayne Barlowe, with Ian Summers and Beth Meacham. It contains Barlowe's visualizations of different extraterrestrial life forms from various works of science fiction, with information on their planetary location or range, biology, and behaviors, in the style of a real field guide for animals. It was nominated for an American Book Award and for the 1980 Hugo Award for Best Related Work.
WChariots of the Gods? Unsolved Mysteries of the Past is a book written in 1968 by Erich von Däniken and translated from the original German by Michael Heron. It involves the hypothesis that the technologies and religions of many ancient civilizations were given to them by ancient astronauts who were welcomed as gods.
WCommander Toad is a series of children's books by Jane Yolen, published by Puffin Books from 1980 to 1998. The series is a toad-themed parody of pop culture science fiction filled with puns. Star Wars is referenced with many puns on iconic Star Wars characters including Jake Skyjumper, Deep Wader and Star Warts, the name of Commander Toad's ship. The books feature Commander Toad and his crew exploring the Galaxy for Starfleet, and each story is a different mission, a clear reference to Star Trek.
WCommunion: A True Story is a book by American ufologist and horror author Whitley Strieber that was first published in February 1987. The book is based on the experiences of Whitley Strieber, who experiences "lost time" and terrifying flashbacks, which hypnosis undertaken by Budd Hopkins later links to an alleged encounter with aliens. Communion was a nonfiction best seller for six months in 1987.
WThe Cosmic Connection: An Extraterrestrial Perspective is a book by the astronomer Carl Sagan, produced by Jerome Agel. It was originally published in 1973; an expanded edition with contributions from Freeman Dyson, David Morrison, and Ann Druyan was published in 2000 under the title Carl Sagan's Cosmic Connection. The book contains artwork by Jon Lomberg and other artists. The book was listed as number thirteen in a list of the "25 Greatest Science Books of All Time" by Discover Magazine in 2006.
WDiseases from Space is a book published in 1979 that was authored by astronomers Fred Hoyle and Chandra Wickramasinghe, where they propose that many of the most common diseases which afflict humanity, such as influenza, the common cold and whooping cough, have their origins in extraterrestrial sources. The two authors argue the case for outer space being the main source for these pathogens- or at least their causative agents.
WDmitri the Astronaut is a 1996 children's book written and illustrated by Jon Agee. The book follows an astronaut named Dmitri who returns to Earth after two and a half years on the Moon to find that no one remembers him.
WEvolving the Alien: The Science of Extraterrestrial Life is a 2002 popular science book about xenobiology by biologist Jack Cohen and mathematician Ian Stewart.
WExpedition: Being an Account in Words and Artwork of the 2358 A.D. Voyage to Darwin IV is a 1990 speculative evolution and science fiction book written and illustrated by the American artist and writer Wayne Barlowe. Written as a first-person account of a 24th-century crewed expedition to the fictional planet of Darwin IV, Expedition describes and discusses an imaginary extraterrestrial ecosystem as if it were real.
WThe Flying Saucers Are Real by Donald Keyhoe, was a book that investigated numerous encounters between United States Air Force fighters, personnel, and other aircraft, and UFOs between 1947 and 1950.
WFlying Saucers from Outer Space is a non-fiction book by Donald Keyhoe about unidentified flying objects, aka UFOs.
WFabio Zerpa was a Uruguayan actor, parapsychologist and UFO researcher. He resided in Argentina from 1951 on.
WMirror Earth: The Search for Our Planet's Twin is a 2012 non-fiction book by Michael D. Lemonick. It discusses the work of "exoplaneteers"—defining the term as a group of scientists looking through various other planetary systems to detect alternate planets that are suitable for possible life.
WThe Mothman Prophecies is a 1975 book by John Keel.
WNew Lands is the second nonfiction book of the author Charles Fort, published in 1923. It deals primarily with astronomical anomalies.
WOpen Skies, Closed Minds, a book on ufology, expresses the views of Nick Pope, a former UFO investigator with the British Ministry of Defence (MOD).
WRare Earth: Why Complex Life Is Uncommon in the Universe is a 2000 popular science book about xenobiology by Peter Ward, a geologist and evolutionary biologist, and Donald E. Brownlee, a cosmologist and astrobiologist. The book is the origin of the term 'Rare Earth Hypothesis' which, like the book's authors, assert that complex life is rare in the universe.
WThe Sirius Mystery is a book written by Robert K. G. Temple supporting the pseudoscientific ancient astronauts hypothesis that intelligent extraterrestrial beings visited the Earth and made contact with humans in antiquity and prehistoric times. The book was first published by St. Martin's Press in 1976. Its second, 1998, edition is called The Sirius Mystery: New Scientific Evidence of Alien Contact 5,000 Years Ago.
WThe Spaceships of Ezekiel (1974) is a book by Josef F. Blumrich about a spaceship that was supposedly observed by the prophet Ezekiel, written while the author was chief of NASA's systems layout branch of the program development office at the Marshall Space Flight Center. It was originally published in German by Econ Verlag GmbH under the title Da tat sich der Himmel auf.