The fire forced NASA to become a systems engineering center, probably the best such team ever assembled. The fact that they were able to land on the moon on schedule, with no schedule margin, given where they were in 1966, is astounding.
 'Apollo: Race to the Moon', Murray, Cox.
It is available as an ebook:
The book was adapted into the excellent miniseries From the Earth to the Moon by HBO.
For podcast listeners, these episodes of the Omega Tau podcast cover the Apollo hardware at a very high level of detail: