The incredible Incas and their timeless land
/ Loren McIntyre ; paintings Louis S. Glanzman ; foreword by Peruvian Historian Eugenio Alarco ; prepared by the Special Publications Division, National Geographic Society, Washington, D.C.
- Washington, D.C. : National Geographic Society/ Special Publications Division , c1975.
- 199 p. : ill. ; : 26 cm.