According to Wikipedia, The Hugo Awards are a set of awards given annually for the best science fiction or fantasy works and achievements of the previous year. The awards are named after Hugo Gernsback, the founder of the pioneering science fiction magazine Amazing Stories, and were officially named the Science Fiction Achievement Awards until 1992. Organized and overseen by the World Science Fiction Society, the awards are given each year at the annual World Science Fiction Convention as the central focus of the event.
Harry Potter and the Prisoner of Azkaban by 
The Urth of the New Sun by 
The Moon Is a Harsh Mistress by 
Ancillary Mercy by 
The Broken Earth by 
The Three-Body Problem by 