And I’m a little surprised at the lack of interest in some of them:
Aerospace Vehicle Design Vol II Spacecraft Design by K. D. Wood, 1964
This one is real hard to come by, usually sells for well over $100. Only one bid, $19.99. This one ends in a few hours.
Three early “Space” books for kids: Fletcher Pratt, Jack Coggins, Lester Del Rey
Sure, they’re a little rough, but they’re old kids books, awesome in their massively over-optimistic way, and terribly low price. This one ends in a few hours.
Proceedings of the Shuttle-Based Cometary Science Workshop, 1976 NASA
This one ends in a few hours.
And this one:
XIIIth International Astronautical Congress Varna 1962, II (pp 483-1026)
This book of conference proceedings has papers on the Aerojet Sea Dragon, a general Electic “Direct” Apollo design and a nuclear-powered TV satellite. It’s already made the rounds on ebay once, no bidders. Huh.
And there’s other stuff.