Hollow and Inner Earth Stories and Facts: Including Numerous Stories of Underground Cities

This book is about legends of the Hollow Earth and other underground cities and civilizations which might all be related. The concept of there being a hollow Earth or inner area of the Earth where people have lived and do still exist has been around for hundreds of years. Other stories and legends of underground cities are also discussed to show that there are many stories of people and other beings living underground in our past and maybe up until the present era. Usually there is some fac...