It is generally a good idea to return to the classics in any genre. This also goes for UFO literature. Rereading a book after ten or twenty years is a rewarding experience. You will discover new data and ideas you didn t notice before. A good starting point is to reread the UFO classics in order to understand the deeper mystery involved in what happened during that era. Originally published in 1953, at the height of the UFO flap, Other Tongues, Other...