The wars of gods and men - Zecharia Sitchin

The Earth Chroniclesseries, in six voumes, deals with the history and prehistory of Earth and humankind. Each book in the series, based upon information written on clay tablets by the ancient civilizations of the Near East, records the fantastic and real battles that occurred between the original creator gods over control of planet Earth. Asserting the premise that mythology is not fanciful but the repository of ancient memories, The Earth Chroniclesseries suggests that the Bible ought to be read literally as a historic/scientific document, and that ancient civilizations--older and greater than assumed--were the product of knowledge brought to Earth by the Anunnaki, ""Those Who from Heaven to Earth Came."" The 12th Planet, the first book of the series, presents ancient evidence for the existence of an additional planet in the Solar System: the home planet of the Anunnaki. In confirmation of this evidence, recent data from unmanned spacecraft has led astronomers to actively search for what is being called ""Planet X.