This volume investigates the geological and atmospheric findings of the Viking Orbiter missions to provide a comprehensive visual and scientific record of the Martian surface. Michael H. Carr, a prominent planetary geologist with the United States Geological Survey, utilizes the high-resolution imagery and data transmitted by the Viking 1 and 2 orbiters. The text synthesizes these findings to explain the complex physical processes that have shaped the Martian landscape over geological time.

Experts recognize this work as a foundational visual record of early planetary exploration. Readers frequently note the technical clarity of the prose, which makes complex geological data accessible to both students and enthusiasts of space science.