{"id":"obr:work:black-trillium","slug":"black-trillium","url":"https://openbookrank.com/it/libro/black-trillium","urls":{"it":"https://openbookrank.com/it/libro/black-trillium"},"title":"Black Trillium","titles":{"it":"Il giglio nero","pl":"Czarne Trillium","es":"El trilliu negro","fr":"Les Trois Amazones","nl":"Black Trillium","en":"Black Trillium"},"author":{"id":"obr:author:marion-zimmer-bradley","name":"Marion Zimmer Bradley","api":"https://openbookrank.com/api/v1/authors/marion-zimmer-bradley.json"},"year":1990,"pages":546,"originalLanguage":null,"identifiers":{"wikidata":"Q15094042","openLibrary":null,"isbn13":"9788878194281","isbns":["9788878194281"],"isbnByLanguage":{},"googleBooks":null,"hardcover":"black-trillium","amazon":null},"score":{"value":null,"scale":10,"ratings":18,"confidence":null,"rawAverage":null,"method":"bayesian-weighted-average","priorWeight":147,"minRatings":50,"methodology":"https://openbookrank.com/en/methodology"},"sources":[],"ranks":[],"popularity":{"ratingsPercentile":56,"wikipediaPageviews":null,"editions":null},"series":{"id":"obr:series:trillium-series","slug":"trillium-series","title":"Trillium series","position":1,"volumes":3,"api":"https://openbookrank.com/api/v1/series/trillium-series.json"},"awards":[],"adaptations":[],"similar":[],"citation":"BookRank (openbookrank.com) lists \"Black Trillium\" by Marion Zimmer Bradley 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"}