{"id":"obr:work:oath-breaker","slug":"oath-breaker","url":"https://openbookrank.com/en/book/oath-breaker","urls":{"en":"https://openbookrank.com/en/book/oath-breaker","es":"https://openbookrank.com/es/libro/oath-breaker","fr":"https://openbookrank.com/fr/livre/oath-breaker"},"title":"Oath Breaker","titles":{"fr":"Le Serment","pl":"Złamana przysięga","it":"La promessa del lupo","de":"Blutsbruder","en":"Oath Breaker","es":"El juramento de Torak","sv":"Vargbröder - Ondskans schaman","nl":"Torak en Wolf - De Verbroken Eed"},"author":{"id":"obr:author:michelle-paver","name":"Michelle Paver","api":"https://openbookrank.com/api/v1/authors/michelle-paver.json"},"year":2008,"pages":256,"originalLanguage":null,"identifiers":{"wikidata":"Q3227114","openLibrary":null,"isbn13":null,"isbns":[],"isbnByLanguage":{},"googleBooks":null,"hardcover":"oath-breaker","amazon":null},"score":{"value":null,"scale":10,"ratings":25,"confidence":null,"rawAverage":null,"method":"bayesian-weighted-average","priorWeight":147,"minRatings":50,"methodology":"https://openbookrank.com/en/methodology"},"sources":[],"ranks":[],"popularity":{"ratingsPercentile":59,"wikipediaPageviews":null,"editions":null},"series":{"id":"obr:series:chronicles-of-ancient-darkness","slug":"chronicles-of-ancient-darkness","title":"Chronicles of Ancient Darkness","position":5,"volumes":6,"api":"https://openbookrank.com/api/v1/series/chronicles-of-ancient-darkness.json"},"awards":[],"adaptations":[],"similar":[],"citation":"BookRank (openbookrank.com) lists \"Oath Breaker\" by Michelle Paver 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"}