Found 3 comments on HN
rwmj · 2018-06-05 · Original thread
"How Apollo Flew to the Moon" ( is pretty exhaustive on the technical details.
rwmj · 2017-12-29 · Original thread
You'll want to read this book which goes into extreme technical detail about how the Apollo mission worked:
rwmj · 2012-11-01 · Original thread
I can unreservedly recommend the book "How Apollo Flew to the Moon":

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