Story-line: Series Vs Books (Spoilers)

Again (Spoilers)

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I think the TV series main story arc will be quite different from the books.
We have:

* Inaros is mentioned as present at the Belt tribe council. No reaction from Naomi.
* Naomi states that she has no children.
* Anderson Dawes in the books is a careful planner who judges the situation and joins the winning side. In the series he seems to be a major active force in the Belt.

I think Inaros will be absorbed by Dawes in the series. No big loss - Inaros is one of least interesting villains ever. At some point Dawes will be approached by a fraction within Mars military and the plot against Earth will be hatched.
I also think that Earth will be hit before the Ring and the other systems will become available.