Ze
strony NASA można pobrać 13 darmowych e-booków, do wyboru w formacie EPUB, MOBI lub PDF. Niektóre z nich są bardzo obszerne.
"Rockets and People: Volume IV: The Moon Race"
"X-15: Extending the Frontiers of Flight"
"NASA's Contributions to Aeronautics, Vol. 1 and 2"
"Modeling Flight"
"Apollo of Aeronautics: NASA's Aircraft Energy Efficiency Program, 1973-1987"
"Ikhana: Unmanned Aircraft System, Western States Fire Missions"
"When Biospheres Collide"
"Psychology of Space Exploration"
"Cosmos & Culture: Cultural Evolution in a Cosmic Context"
"NASA 50th Anniversary Proceedings"
"Unmanned Space Project Management: Surveyor and Lunar Orbiter"
"X-15 Research Results"
"NASA Open Government Plan"