Great Adventures and Explorations From Earliest Times to the Present as Told by the Explorers Themselves. There has been no book like this before, because no one with Dr. Stefanson's knowledge of the subject has ever devoted himself to such vast undertaking. Working in close co-operation with Dr. Stefanson, Richard Edes Harrison, the distinguished cartographer, has supplied a multitude of maps and charts whcih further illuminate the enthralling text.