Kevin Anderson and Brian Herbert's second sequel to the Dune series expands upon Hunters of Dune in a relatively logical way. It is ultimately an entertaining book. However, the reliance on characters who have already had their time in the sun in addition to a generally lackluster plot form an overall okay book. Their attempt to develop a book that tied their prequel series with the original series left me saying "Huh?" far too many times. Ultimately, I prefer to think of the end of Chapterhouse: Dune as the true end of the series, and of Sandworms and Hunters as fan-fiction.