1926. With 58 photographs by J. B. Shackelford. Contents: Preparations; Some Preliminary Digressions; Hunting the Golden Fleece; Under Way; In the City of the Living God; Tenting in Lama Land; A Kentucky Derby in the Gobi Desert; Finding the Baluchitherium; The Discovery of the Flaming Cliffs; Giant Beasts of Three Million Years Ago (Osborn); New Work and Discoveries; Where the Dinosaur Hid its Eggs; Professor Osborn Visits the Expedition; Bigger and Better Eggs; The Dune Dwellers of Mongolia; A Tragedy of the Gobi Desert; On the Trail of Ancient Man; The World's Oldest Mammals; and Snakes and Fossils.