The Winds Of Dune  - Brian Herbert, Kevin J. Anderson This would be 3.5 stars.

It was a very good addition to the series. Perhaps the timing wasn't right for me, as the first half was hard to read (likely RL didn't leave me the time to focus on what I was reading enough!)

However, the second half flowed quickly, and I really enjoyed the focus on Jessica, who has always been one of my favorite characters.