Robert Snedden 
Atlantis and Other Lost Civilizations [PDF ebook] 

Many people are fascinated with tales of lost civilizations such as Atlantis, Camelot, El Dorado and Lemuria because they believe they may have been real places. There is documented evidence that suggests some ancient stories of lost worlds are grounded in truth. But were they real ancient worlds or mythical lost realms? Be a mystery solver by finding out where stories of these ancient civilizations may have come from and use all the evidence to decide what you believe.