Haynes, who is more well known for car repair manuals, puts out a surprisingly good set of "owner's manuals" that are highly technical. I loved the "Apollo 13 O

Haynes, who is more well known for car repair manuals, puts out a surprisingly good set of "owner's manuals" that are highly technical. I loved the "Apollo 13 Owners' Workshop Manual" since it went into exacting detail about how each part of the spacecraft, including wiring diagrams and plumbing charts. Their Saturn V manual was also very good