Instruct: Classify Amazon reviews into positive or negative sentiment
Query: Its an SF book, but it hasnt got much to do with DUNE.

Firstly, as SF books go, this is better than many ... if only the authors had left the universe of Dune alone.Frank Herbert managed to create a Universe populated by big people with grand schemes, sharp intellects, deep motivations, and competing philosophies, all locked in a deadly eons long battle for supremacy and survival.This book is populated with dim wits with petty concerns, short term goals and shallow desires, all bouncing along fairly aimlessly and counting on luck and coincidence.No gravitas. No substance. No imagination. This book is to Dune as lift music is to a Beethoven symphony.