Evolution of Aircraft Carriers: The History of U.S. Navy Carriers, USS Langley, Early Tests and Developments, World War II and Beyond Progressive Management E-Book (epub) 15.06.2011

Apollo and America's Moon Landing Program: Stages to Saturn - A Technological History of the Apollo/Saturn Launch Vehicles (NASA SP-4206) - Official Saturn V Development History Progressive Management ePUB 18.11.2011

Sun, the Earth, and Near-Earth Space: A Guide to the Sun-Earth System - Comprehensive Information on the Effects of Space Weather on Human Life, Climate, Spacecraft Progressive Management ePUB 23.07.2013