This work investigates the historical and geological plausibility of the Atlantis myth by examining the potential real-world events that may have inspired Plato's account. Rodney Castleden, a noted author in the field of ancient history and archaeology, utilizes a multidisciplinary approach to evaluate the legend. He synthesizes geological data, archaeological findings, and classical texts to determine if a specific cataclysmic event serves as the origin for the narrative. The book presents a framework that separates mythological embellishment from potential historical reality.

Experts in the field of classical studies and archaeology often cite this text for its clear synthesis of complex theories surrounding the Atlantis legend. Readers frequently note the accessible prose style, which makes academic debates regarding ancient history understandable for a general audience.