The full content of this story is only available to registered and logged in members. Registration is free.
Log in / Register
Ivan T. Sanderson was born in 1911. Before he died in 1973 he wrote over 18 books on the UFO phenomenon. A trained biologist, Sanderson, was, nevertheless, fascinated by the unexplained and wrote on many exotic topics, such as mystery animals (including Bigfoot and the Yeti), lost civilizations, UFOs and “Ooparts,” or “Out-of-Place-Artifacts.” In Invisible [...]