Hey, thanks for the feedback. The map won't be published in the print book, but will in the ebook, according to the publisher. Also the full colour one will be available online.

I'll have a read of the tutorial: thanks for pointing it out.

You absolutely can taper rivers in CC3, and I'm not sure why I didn't do that in the first place.

The world is somewhat unique in that most of the world is feral and wild, with only small bastions of civilization. Political features are rather redundant on this world