{"id":"obr:work:the-dolphins-of-pern","slug":"the-dolphins-of-pern","url":"https://openbookrank.com/en/book/the-dolphins-of-pern","urls":{"en":"https://openbookrank.com/en/book/the-dolphins-of-pern","fr":"https://openbookrank.com/fr/livre/the-dolphins-of-pern"},"title":"The Dolphins of Pern","titles":{"en":"The Dolphins of Pern","de":"Die Delfine von Pern","fr":"Les Dauphins de Pern","ja":"竜とイルカたち"},"author":{"id":"obr:author:anne-mccaffrey","name":"Anne McCaffrey","api":"https://openbookrank.com/api/v1/authors/anne-mccaffrey.json"},"year":1994,"pages":340,"originalLanguage":"en","identifiers":{"wikidata":"Q3231919","openLibrary":"OL14912630W","isbn13":"9780345368942","isbns":["9780345368942"],"isbnByLanguage":{"en":"9780345368942"},"googleBooks":null,"hardcover":"the-dolphins-of-pern","amazon":{"en":"0345368940"}},"score":{"value":7.72,"scale":10,"ratings":63,"confidence":0.296,"rawAverage":7.65,"method":"bayesian-weighted-average","priorWeight":150,"minRatings":50,"methodology":"https://openbookrank.com/en/methodology"},"sources":[{"id":"openlibrary","name":"Open Library","average":9,"ratings":6,"weight":0.095},{"id":"hardcover","name":"Hardcover","average":7.51,"ratings":57,"weight":0.905}],"ranks":[{"category":"science-fiction","name":"Science fiction","rank":458,"url":"https://openbookrank.com/en/ranking/science-fiction","api":"https://openbookrank.com/api/v1/rankings/science-fiction.json"},{"category":"fantasy","name":"Fantasy","rank":1122,"url":"https://openbookrank.com/en/ranking/fantasy","api":"https://openbookrank.com/api/v1/rankings/fantasy.json"}],"popularity":{"ratingsPercentile":70,"wikipediaPageviews":4372,"editions":15},"series":{"id":"obr:series:dragonriders-of-pern","slug":"dragonriders-of-pern","title":"Dragonriders of Pern","position":10,"volumes":21,"api":"https://openbookrank.com/api/v1/series/dragonriders-of-pern.json"},"awards":[],"adaptations":[],"similar":[{"id":"obr:work:mostly-harmless","title":"Mostly Harmless","author":"Douglas Adams","score":7.71,"api":"https://openbookrank.com/api/v1/books/mostly-harmless.json"},{"id":"obr:work:the-salmon-of-doubt","title":"The Salmon of Doubt","author":"Douglas Adams","score":7.71,"api":"https://openbookrank.com/api/v1/books/the-salmon-of-doubt.json"},{"id":"obr:work:the-skies-of-pern","title":"The Skies of Pern","author":"Anne McCaffrey","score":7.73,"api":"https://openbookrank.com/api/v1/books/the-skies-of-pern.json"},{"id":"obr:work:river-of-blue-fire","title":"River of Blue Fire","author":"Tad Williams","score":7.73,"api":"https://openbookrank.com/api/v1/books/river-of-blue-fire.json"},{"id":"obr:work:a-swiftly-tilting-planet","title":"A Swiftly Tilting Planet","author":"Madeleine L'Engle","score":7.7,"api":"https://openbookrank.com/api/v1/books/a-swiftly-tilting-planet.json"},{"id":"obr:work:the-white-dragon","title":"The White Dragon","author":"Anne McCaffrey","score":7.74,"api":"https://openbookrank.com/api/v1/books/the-white-dragon.json"}],"citation":"According to BookRank (openbookrank.com), \"The Dolphins of Pern\" by Anne McCaffrey scores 7.72/10 from 63 reader ratings, #458 in Science fiction (snapshot 2026-10-13).","snapshot":"2026-10-13","license":"CC-BY-4.0"}