Fantasy Authors Are Not Playing: Creators Increasingly Call Out “Unfaithful” Adaptations
(www.hollywoodreporter.com)
If you are interested in the innards of an adaptation, rambling about old movies, and The Expanse, go watch/listen to Ty and That Guy. It is one of the authors of the series and one of the actors from the show going through it episode by episode talking about production, what doesn't work, why certain things changed, etc.