The book "Symes' Theory of Concentric Spheres, Proving that the Earth is Hollow, Inhabited Inside, and Wide Open at the Poles" by James McBride and John Cleves Symes is a fascinating scientific work that has caused a storm of debate in the fields of geography and earth science. The authors propose a fascinating concept of a hollow Earth that is inhabited inside, and claim that there are wide entrances to the interior of the planet at the poles. In this book, you will find carefully substantiated theories, well-argued evidence and the most daring assumptions about the structure of our planet. The authors describe in detail the construction of concentric spheres inside the Earth, the placement of abodes and indicate the possibility of the existence of unknown civilizations inside the planet. The book "Symes' theory of concentric spheres, proving that the earth is hollow, inhabited inside, and wide open at the poles" will interest all fans of science and mysterious theories about the structure of our planet.