The incredible Incas and their timeless land. /
Photographs by the author. Paintings by Louis S. Glanzman. Foreword by Peruvian historian Eugenio Alarco.
- Washington, D. C. : National Geographic Society, c1975.
- 199 p. : col. illus. ; 26 cm.
Bibliography: p. 198.
Incas.
Peru--Antiquities. Peru--Description and travel--1951-.