A Hyatt Verrill; Dodd, Mead & Company,; Vail-Ballou Press,
|注意：||Publisher's advertisements on dust jacket.|
|描述：||x pages, 2 unnumbered pages, 287 pages,  leaves of plates : illustrations ; 20 cm|
|責任：||by A. Hyatt Verrill.|
From the book dustjacket
THE story of an American boy who went with his father and the author on a most active archaeological expedition to South America. With a beginner's luck, Bob Sheldon unearthed valuable objects of gold and silver and also some odd and seemingly worthless gadgets that proved even more valuable discoveries,...