{"id":"obr:work:the-planet-savers","slug":"the-planet-savers","url":"https://openbookrank.com/en/book/the-planet-savers","urls":{"en":"https://openbookrank.com/en/book/the-planet-savers","fr":"https://openbookrank.com/fr/livre/the-planet-savers","it":"https://openbookrank.com/it/libro/the-planet-savers"},"title":"The Planet Savers","titles":{"fr":"Projet Jason","en":"The Planet Savers","it":"Le foreste di Darkover","nl":"The Planet Savers"},"author":{"id":"obr:author:marion-zimmer-bradley","name":"Marion Zimmer Bradley","api":"https://openbookrank.com/api/v1/authors/marion-zimmer-bradley.json"},"year":1962,"pages":76,"originalLanguage":null,"identifiers":{"wikidata":"Q3407200","openLibrary":"OL15052066W","isbn13":null,"isbns":[],"isbnByLanguage":{},"googleBooks":null,"hardcover":"the-planet-savers","amazon":null},"score":{"value":null,"scale":10,"ratings":8,"confidence":null,"rawAverage":null,"method":"bayesian-weighted-average","priorWeight":147,"minRatings":50,"methodology":"https://openbookrank.com/en/methodology"},"sources":[],"ranks":[],"popularity":{"ratingsPercentile":49,"wikipediaPageviews":0,"editions":29},"series":{"id":"obr:series:darkover-series","slug":"darkover-series","title":"Darkover series","position":16,"volumes":20,"api":"https://openbookrank.com/api/v1/series/darkover-series.json"},"awards":[],"adaptations":[],"similar":[],"citation":"BookRank (openbookrank.com) lists \"The Planet Savers\" 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"}