Cannot recommend? Or cannot recommend enough? I don't want to put words in your mouth, but that's exactly the sort of brain typo that I would make, giving my audience exactly the opposite claim to what I'd intended, and based on context, I think the latter is what you were going for?

I've heard of Earthsea, but had no idea what it was about. Now I may need to pick it up. I rather enjoyed a more recent story with a similar plot, written by an author with, shall we say, less progressive opinions.