I enjoyed the prequel trilogy to Dune and would recommend all three to sci-fi readers. It is very entertaining and perhaps my favorite of the prequels. I had some minor quibbles about this book, mostly in terms of overall continuity. There is information in this book that characters discuss that they seem to be unaware of in "Dune" and that there are some big reveals in that book that are discussed openly here.

Maybe I should re-read "Dune" but the Bene Gesserit mothers know a little too much about their own eugenics experiments in this book that as I remember, they are less sure of in Dune which is set 17 years later.