Derek Lyons wrote:
David Findlay wrote:
This has been discussed before, but in the interests of traffic, here
goes:

What do you think are the essential books for readers of sci.space.*?

For which readers? The students of history? The engineers? The
mars-at-all-costs crowd?

Okay, some categories:

History:
Failure is not an Option, Gene Kranz

Engineering:
Rocket Propulsion Elements

Exploration:
???

Colonisation:
???

Celestial Mechanics:
???

Thanks,

David