Introduction
Chapter One - Are There Intelligent Beings In The Cosmos?
Chapter Two - When Our Space-Ship Landed On Earth ...
Chapter Three - The Improbable World Of The Unexplained
Chapter Four - Was God An Astronaut?
Chapter Five - Fiery Chariots From The Heavens
Chapter Six - Ancient Imagination And Legends Or Ancient Facts?
Chapter Seven - Ancient Marvels Or Space Travel Centres?
Chapter Eight - Easter Island—land Of The Bird Men
Chapter Nine - Mysteries Of South America And Other Oddities
Chapter Ten - The Earth's Experience Of Space
Chapter Eleven - The Search For Direct Communication
Chapter Twelve - Tomorrow