I've read these before you know, many times.
They are, in many ways, Jack Vance standards: a hero and his journey across strange lands, told in a language I find sympa. In some ways they are isomorphic to, say, Lyonesse. Or Araminta. But that doesn't matter, because I enjoy them anyway. There is a little that is genuinely new here, but that's not why you'd read them.
Read again: certainly.
The books, collectively, form the Planet of Adventure series. If you want to know the plots, well, wiki will tell you.
And I'm not really going to review them here: this post is merely my note to myself that I've read them.