From pyramids and underground bunkers to watery graves and ancient astronauts, Willis examines the archaeological evidence and the traces left behind by more than 70 ancient civilizations, including Atlantis, the Underground Cities of the Grand Canyon, and many more.
 Conspiracies have become integral to modern pop culture  Highlights from national polls include 64% of Americans believe that aliens have made contact with humans; 80% of Americans think the government keeps the wraps on extraterrestrial visitation; 24% of Americans believe that ETs have visited Earth in our prehistory; and 20% of Earth's population believe that aliens are"already in our midst."  History Channel's Ancient Aliens is in its 13th season  Accounts of more than 70 lost civilizations gleaned from scientific evidence and historical documents  Logical organization makes finding information quick and easy  Numerous black-and-white photographs  Thoroughly indexed  Authoritative resource  Sure to appeal to ancient alien theorists, conspiracy buffs, history readers, paranormal devotees, and true-crime aficionados.  Publicity and promotion aimed at the wide array of websites focused on the paranormal, unexplained, and conspiratorial.  Promotion targeting more mainstream media and websites  Promotion targeting national radio, including Coast to Coast and numerous other late-night radio syndicates looking for knowledgeable guests  Promotion to local radio  Promotion targeting magazines and newspapers