Instruct: Classify Amazon reviews into positive or negative sentiment
Query: Enough already

Dragonsbane was good. Dragonshadow was not. Knight of the Demon Queen is an unsatisfying litany of horrors committed by demons. This book could be the end of a trilogy (at least it doesn't say "to be continued" like Dragonshadow) or it could be the third portion of a tetrology. But, like its predecessor, it is depressing and has either a sad ending or an ambiguous ending that allows for another sequel. The series should have ended with Dragonsbane. Ms Hambly: Please do better. You have been on my preferred author list, but with the last two books in this series, that position is in danger...