Cyril Ponnamperuma 
Comparative Planetology [PDF ebook] 

Comparative Planetology discusses the results of data obtained from the Viking mission to Mars along with other data from other planetary missions. The book considers the many aspects of the evolution of the solar system in a comparative fashion. The interiors of planets, crustal evolution, the origin of planetary atmospheres, and the question of the origin of life are discussed using the gathered information. Astronomers, geologists, chemists, and biologists will find the book an interesting read.