Gemini 6: The NASA Mission Reports: Apogee Books Space Series 8
"...(the series) will serve as an invaluable reference tool for aficionados of human spaceflight." --Astronomy, July, 1999"...buddingTsiolkovskys, Goddards, and von Brauns will devout each title."  --Booklist, July, 1999"Highly recommended for space buffs who want detailed information on thes flights." --Choice, November, 1999