Delving into the world of Dune, this guide offers fascinating scientific speculation on topics including physics, chemistry, ecology, evolution, psychology, technology, and genetics. It also scrutinizes Frank Herbert's science fiction world by asking questions such as Is the ecology of Dune realistic? Is it theoretically possible to get information from the future? Could humans really evolve as Herbert suggests? and Which of Herbert's inventions have already come to life? This companion to the Dune series is a must-have for any fan who wants to revisit this science fiction world and explore it even further.