Through Space to Mars; Or, the Longest Journey on Record by is a science fiction novel published under the pseudonym, Roy Rockwood by Cupples & Leon of New York, New York in 1910. This new edition is respectfully dedicated to Bob McGeeney, collector, artist, and historian of the literature that made America. Publisher’s note: This book includes outdated and potentially offensive terminology, racial stereotypes and racist attitudes due to its historical context. The language and attitudes therein do not reflect the publisher's views and has been left unchanged for historical accuracy. The story revolves around two young inventors, Jack Darrow and Mark Sampson, who are students at the Universal Electrical and Chemical College, and their daring aspirations to travel to Mars as part of a remarkable journey filled with scientific discoveries.