{"id":"obr:work:the-worlds-of-robert-a-heinlein","slug":"the-worlds-of-robert-a-heinlein","url":"https://openbookrank.com/en/book/the-worlds-of-robert-a-heinlein","urls":{"en":"https://openbookrank.com/en/book/the-worlds-of-robert-a-heinlein","it":"https://openbookrank.com/it/libro/the-worlds-of-robert-a-heinlein"},"title":"The Worlds of Robert A. Heinlein","titles":{"en":"The Worlds of Robert A. Heinlein","it":"I miei mondi","uk":"Світи Роберта Гайнлайна"},"author":{"id":"obr:author:robert-a-heinlein","name":"Robert A. Heinlein","api":"https://openbookrank.com/api/v1/authors/robert-a-heinlein.json"},"year":1966,"pages":189,"originalLanguage":null,"identifiers":{"wikidata":"Q7776185","openLibrary":"OL15075603W","isbn13":null,"isbns":[],"isbnByLanguage":{},"googleBooks":null,"hardcover":"the-worlds-of-robert-a-heinlein","amazon":null},"score":{"value":null,"scale":10,"ratings":5,"confidence":null,"rawAverage":null,"method":"bayesian-weighted-average","priorWeight":147,"minRatings":50,"methodology":"https://openbookrank.com/en/methodology"},"sources":[],"ranks":[],"popularity":{"ratingsPercentile":45,"wikipediaPageviews":0,"editions":12},"series":{"id":"obr:series:future-history","slug":"future-history","title":"Future History","position":null,"volumes":29,"api":"https://openbookrank.com/api/v1/series/future-history.json"},"awards":[],"adaptations":[],"similar":[],"citation":"BookRank (openbookrank.com) lists \"The Worlds of Robert A. Heinlein\" by Robert A. Heinlein 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"}