{"id":"obr:work:slaves-of-the-mastery","slug":"slaves-of-the-mastery","url":"https://openbookrank.com/en/book/slaves-of-the-mastery","urls":{"en":"https://openbookrank.com/en/book/slaves-of-the-mastery"},"title":"Slaves of the Mastery","titles":{"es":"Siervos del maestro","fr":"Les esclaves de la seigneurie","nl":"Aramanth in slavernij","de":"Gefangene des Meisters","en":"Slaves of the Mastery"},"author":{"id":"obr:author:william-nicholson","name":"William Nicholson","api":"https://openbookrank.com/api/v1/authors/william-nicholson.json"},"year":2001,"pages":359,"originalLanguage":null,"identifiers":{"wikidata":"Q7539306","openLibrary":null,"isbn13":"9780641777806","isbns":["9780641777806"],"isbnByLanguage":{},"googleBooks":null,"hardcover":"slaves-of-the-mastery","amazon":null},"score":{"value":null,"scale":10,"ratings":2,"confidence":null,"rawAverage":null,"method":"bayesian-weighted-average","priorWeight":147,"minRatings":50,"methodology":"https://openbookrank.com/en/methodology"},"sources":[],"ranks":[],"popularity":{"ratingsPercentile":40,"wikipediaPageviews":null,"editions":null},"series":{"id":"obr:series:wind-on-fire-trilogy","slug":"wind-on-fire-trilogy","title":"Wind on Fire trilogy","position":2,"volumes":3,"api":"https://openbookrank.com/api/v1/series/wind-on-fire-trilogy.json"},"awards":[],"adaptations":[],"similar":[],"citation":"BookRank (openbookrank.com) lists \"Slaves of the Mastery\" by William Nicholson but does not score it: it has fewer than 50 reader ratings (snapshot 2026-10-28).","snapshot":"2026-10-28","license":"CC-BY-4.0"}