by Alan Landsburg explores the intriguing idea that extraterrestrial beings have visited Earth in the distant past and have influenced human civilization. The book delves into various ancient myths, archaeological findings, and historical records, presenting evidence and theories that suggest a possible connection between early human societies and advanced alien visitors. Landsburg examines mysterious structures, artifacts, and cultural practices from different parts of the world, proposing that these might be remnants of extraterrestrial encounters. Through a blend of scientific investigation and speculative storytelling, the book aims to challenge conventional perspectives on human history and our place in the universe.