The Partnership: A History of the Apollo-Soyuz Test Project (NASA SP-4209) - Comprehensive Official History of NASA's Work with the Soviet Union and Russia Leading to the Historic 1975 ASTP Mission    by Progressive Management
Price: $9.99 USD. 205420 words. Published on January 11, 2012. .
This official NASA history document - converted for accurate flowing-text e-book format reproduction - is a comprehensive and insightful account of the painstaking efforts of NASA to partner with the Soviet Union, starting in the Kennedy years and culminating in the successful 1975 Apollo-Soyuz Test Project.

On Mars: Exploration of the Red Planet 1958-1978 (NASA SP-4212) - Comprehensive Official History of the Viking Program and Man's First Successful Landing on Mars, Voyager and Mariner Programs    by Progressive Management
Price: $9.99 USD. 185180 words. Published on January 13, 2012. .
This official NASA history document - converted for accurate flowing-text e-book format reproduction - is a comprehensive and insightful account of America's Mars exploration program in the early days of the space program, culminating in the successful Viking landings in 1976.