You mentioned them but if you haven't read them, I really enjoyed the Mars series.
I've not encountered any other books that are focused on terraforming; although, I would call Neil Stephenson's Seveneves a terraforming book too (in the most literal sense.)
There are some parts of the Honor Harrington series that deal with this (Grayson) and it looks like parts of the Vorkosigan saga do as well, but they are not stand alone works and the focus is elsewhere (at least for HH.)
I see a couple lists when Googling this that include some other books but I assume you've found those too.
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