{"id":"obr:work:the-black-moon","slug":"the-black-moon","url":"https://openbookrank.com/en/book/the-black-moon","urls":{"en":"https://openbookrank.com/en/book/the-black-moon","it":"https://openbookrank.com/it/libro/the-black-moon"},"title":"The Black Moon","titles":{"de":"Poldark - Im Licht des schwarzen Mondes","nl":"Bij donkere maan","sv":"Svart måne","en":"The Black Moon","pl":"Czarny księżyc","it":"La luna nera"},"author":{"id":"obr:author:winston-graham","name":"Winston Graham","api":"https://openbookrank.com/api/v1/authors/winston-graham.json"},"year":1973,"pages":560,"originalLanguage":"en","identifiers":{"wikidata":"Q101113355","openLibrary":"OL20898490W","isbn13":"9781509856954","isbns":["9781509856954"],"isbnByLanguage":{},"googleBooks":"PQnaAQAACAAJ","hardcover":"the-black-moon","amazon":null},"score":{"value":null,"scale":10,"ratings":17,"confidence":null,"rawAverage":null,"method":"bayesian-weighted-average","priorWeight":147,"minRatings":50,"methodology":"https://openbookrank.com/en/methodology"},"sources":[],"ranks":[],"popularity":{"ratingsPercentile":55,"wikipediaPageviews":0,"editions":0},"series":{"id":"obr:series:the-poldark-novels","slug":"the-poldark-novels","title":"The Poldark Novels","position":5,"volumes":12,"api":"https://openbookrank.com/api/v1/series/the-poldark-novels.json"},"awards":[],"adaptations":[],"similar":[],"citation":"BookRank (openbookrank.com) lists \"The Black Moon\" by Winston Graham 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"}