{"id":"obr:work:how-to-betray-a-dragons-hero","slug":"how-to-betray-a-dragons-hero","url":"https://openbookrank.com/pt/livro/how-to-betray-a-dragons-hero","urls":{"pt":"https://openbookrank.com/pt/livro/how-to-betray-a-dragons-hero"},"title":"How to Betray a Dragon's Hero","titles":{"pt":"How to Betray a Dragon's Hero","de":"Verräterisches Drachenmal","en":"How to Betray a Dragon's Hero"},"author":{"id":"obr:author:cressida-cowell","name":"Cressida Cowell","api":"https://openbookrank.com/api/v1/authors/cressida-cowell.json"},"year":2013,"pages":416,"originalLanguage":null,"identifiers":{"wikidata":"Q25419951","openLibrary":null,"isbn13":null,"isbns":[],"isbnByLanguage":{},"googleBooks":null,"hardcover":"how-to-betray-a-dragons-hero","amazon":null},"score":{"value":null,"scale":10,"ratings":14,"confidence":null,"rawAverage":null,"method":"bayesian-weighted-average","priorWeight":147,"minRatings":50,"methodology":"https://openbookrank.com/en/methodology"},"sources":[],"ranks":[],"popularity":{"ratingsPercentile":54,"wikipediaPageviews":null,"editions":null},"series":{"id":"obr:series:how-to-train-your-dragon","slug":"how-to-train-your-dragon","title":"How to Train Your Dragon","position":11,"volumes":12,"api":"https://openbookrank.com/api/v1/series/how-to-train-your-dragon.json"},"awards":[],"adaptations":[],"similar":[],"citation":"BookRank (openbookrank.com) lists \"How to Betray a Dragon's Hero\" by Cressida Cowell 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"}