{"id":"obr:work:the-black-cloud","slug":"the-black-cloud","url":"https://openbookrank.com/en/book/the-black-cloud","urls":{"en":"https://openbookrank.com/en/book/the-black-cloud","de":"https://openbookrank.com/de/buch/the-black-cloud","it":"https://openbookrank.com/it/libro/the-black-cloud","nl":"https://openbookrank.com/nl/boek/the-black-cloud","sv":"https://openbookrank.com/sv/bok/the-black-cloud","pt":"https://openbookrank.com/pt/livro/the-black-cloud"},"title":"The Black Cloud","titles":{"en":"The Black Cloud","pl":"Czarna chmura","de":"Die schwarze Wolke","es":"La nube negra","fr":"Le Nuage noir","it":"La nuvola nera","pt":"A Nuvem Negra","nl":"De zwarte wolk","sv":"Det svarta molnet","uk":"Чорна хмара"},"author":{"id":"obr:author:fred-hoyle","name":"Fred Hoyle","api":"https://openbookrank.com/api/v1/authors/fred-hoyle.json"},"year":1957,"pages":226,"originalLanguage":"en","identifiers":{"wikidata":"Q369459","openLibrary":"OL7477971W","isbn13":"0140014667","isbns":[],"isbnByLanguage":{},"googleBooks":"jyjQAAAAMAAJ","hardcover":"the-black-cloud","amazon":{"en":"0140014667"}},"score":{"value":7.73,"scale":10,"ratings":63,"confidence":0.3,"rawAverage":7.7,"method":"bayesian-weighted-average","priorWeight":147,"minRatings":50,"methodology":"https://openbookrank.com/en/methodology"},"sources":[{"id":"openlibrary","name":"Open Library","average":8,"ratings":9,"weight":0.143},{"id":"hardcover","name":"Hardcover","average":7.65,"ratings":54,"weight":0.857}],"ranks":[{"category":"science-fiction","name":"Science fiction","rank":466,"url":"https://openbookrank.com/en/ranking/science-fiction","api":"https://openbookrank.com/api/v1/rankings/science-fiction.json"}],"popularity":{"ratingsPercentile":70,"wikipediaPageviews":12828,"editions":36},"series":null,"awards":[],"adaptations":[],"similar":[{"id":"obr:work:the-three-stigmata-of-palmer-eldritch","title":"The Three Stigmata of Palmer Eldritch","author":"Philip K. Dick","score":7.73,"api":"https://openbookrank.com/api/v1/books/the-three-stigmata-of-palmer-eldritch.json"},{"id":"obr:work:this-perfect-day","title":"This Perfect Day","author":"Ira Levin","score":7.73,"api":"https://openbookrank.com/api/v1/books/this-perfect-day.json"},{"id":"obr:work:ringworld","title":"Ringworld","author":"Larry Niven","score":7.74,"api":"https://openbookrank.com/api/v1/books/ringworld.json"},{"id":"obr:work:time-out-of-joint","title":"Time Out of Joint","author":"Philip K. Dick","score":7.74,"api":"https://openbookrank.com/api/v1/books/time-out-of-joint.json"},{"id":"obr:work:stranger-in-a-strange-land","title":"Stranger in a Strange Land","author":"Robert A. Heinlein","score":7.75,"api":"https://openbookrank.com/api/v1/books/stranger-in-a-strange-land.json"},{"id":"obr:work:dune-messiah","title":"Dune Messiah","author":"Frank Herbert","score":7.71,"api":"https://openbookrank.com/api/v1/books/dune-messiah.json"}],"citation":"According to BookRank (openbookrank.com), \"The Black Cloud\" by Fred Hoyle scores 7.73/10 from 63 reader ratings, #466 in Science fiction (snapshot 2026-10-28).","snapshot":"2026-10-28","license":"CC-BY-4.0"}