By Marshall B. Gardener, 1920 Pages: 447 
 
For those who are familiar with the works of Dr. Raymond Bernard. Contents: The Nebula & Our Theory; Introductory; Mars; Early Polar Explorations; Greeley’s Exploration; Nordenskold’s Voyages; Nansen in the North; Was the North Pole Really Discovered?; Two Congressional Opinions on Perry & Cook; Life of the Arctic; The Mammoth; Other Interesting Animals of the Interior; The Formation of the Earth; How Our Theory differs from Symmes; The Moon; A Note on Gravitation; How our Theory has been received; Our controversy with Dominion: Our Country & Our Theory; In Conclusion.