By Professor William F. Lyon Pages: 447 1871 The World’s Agitator and Reconciler: A Treatise on the Physical Conformation of the Earth. The For those who have read our other Hollow Earth books, this will be a most welcome treat. Some of the contents: Scraps of History; The Open Polar Sea; The Igneous Theory; Volcanoes; Earthquakes; Electro-Magnetism Productive of Earthquakes; Material & Spiritual Forces; Forces Existing in the Spiritual; Comparative Power of Different Elements; Relation Between Material & Spiritual Particles; Aura; Empyria; Positive Forces May Be Real Spirit Entities; Gravitation A Subordinate Force; Gravitation Not Productive of Tides; Fire & Gravity Overloaded; The Sun & Its Influences; Inherent Powers; Who Are the World Builders; The Moon; Vision, etc