{"id":"obr:work:zero-hour-a9217","slug":"zero-hour-a9217","url":"https://openbookrank.com/en/book/zero-hour-a9217","urls":{"en":"https://openbookrank.com/en/book/zero-hour-a9217"},"title":"Zero Hour","titles":{"en":"Zero Hour"},"author":{"id":"obr:author:craig-alanson","name":"Craig Alanson","api":"https://openbookrank.com/api/v1/authors/craig-alanson.json"},"year":2017,"pages":null,"originalLanguage":"en","identifiers":{"wikidata":"Q139881238","openLibrary":"OL29489083W","isbn13":null,"isbns":[],"isbnByLanguage":{},"googleBooks":null,"hardcover":"zero-hour-2017","amazon":null},"score":{"value":7.89,"scale":10,"ratings":192,"confidence":0.511,"rawAverage":8,"method":"bayesian-weighted-average","priorWeight":184,"minRatings":50,"methodology":"https://openbookrank.com/en/methodology"},"sources":[{"id":"hardcover","name":"Hardcover","average":8,"ratings":192,"weight":1}],"ranks":[{"category":"science-fiction","name":"Science fiction","rank":163,"url":"https://openbookrank.com/en/ranking/science-fiction","api":"https://openbookrank.com/api/v1/rankings/science-fiction.json"}],"popularity":{"ratingsPercentile":87,"wikipediaPageviews":0,"editions":0},"series":{"id":"obr:series:expeditionary-force","slug":"expeditionary-force","title":"Expeditionary Force","position":5,"volumes":10,"api":"https://openbookrank.com/api/v1/series/expeditionary-force.json"},"awards":[],"adaptations":[],"similar":[{"id":"obr:work:prelude-to-foundation","title":"Prelude to Foundation","author":"Isaac Asimov","score":7.89,"api":"https://openbookrank.com/api/v1/books/prelude-to-foundation.json"},{"id":"obr:work:perfect-state","title":"Perfect State","author":"Brandon Sanderson","score":7.89,"api":"https://openbookrank.com/api/v1/books/perfect-state.json"},{"id":"obr:work:the-algebraist","title":"The Algebraist","author":"Iain Banks","score":7.88,"api":"https://openbookrank.com/api/v1/books/the-algebraist.json"},{"id":"obr:work:mate","title":"Mate","author":"Ali Hazelwood","score":7.88,"api":"https://openbookrank.com/api/v1/books/mate.json"},{"id":"obr:work:starfish","title":"Starfish","author":"Peter Watts","score":7.88,"api":"https://openbookrank.com/api/v1/books/starfish.json"},{"id":"obr:work:the-knife-of-never-letting-go","title":"The Knife of Never Letting Go","author":"Patrick Ness","score":7.9,"api":"https://openbookrank.com/api/v1/books/the-knife-of-never-letting-go.json"}],"citation":"According to BookRank (openbookrank.com), \"Zero Hour\" by Craig Alanson scores 7.89/10 from 192 reader ratings, #163 in Science fiction (snapshot 2026-09-21).","snapshot":"2026-09-21","license":"CC-BY-4.0"}