{"id":"obr:work:titan","slug":"titan","url":"https://openbookrank.com/en/book/titan","urls":{"en":"https://openbookrank.com/en/book/titan","pl":"https://openbookrank.com/pl/ksiazka/titan","fr":"https://openbookrank.com/fr/livre/titan","it":"https://openbookrank.com/it/libro/titan","nl":"https://openbookrank.com/nl/boek/titan"},"title":"Titan","titles":{"en":"Titan","pl":"Tytan","es":"Titán","fr":"Titan","it":"Titano","nl":"Titaan","uk":"Титан","ja":"ティーターン"},"author":{"id":"obr:author:john-varley","name":"John Varley","api":"https://openbookrank.com/api/v1/authors/john-varley.json"},"year":1979,"pages":null,"originalLanguage":"en","identifiers":{"wikidata":"Q4354440","openLibrary":"OL8107928W","isbn13":"9780399123269","isbns":["9780399123269"],"isbnByLanguage":{"en":"9780399123269"},"googleBooks":null,"hardcover":"titan-gaea-1","amazon":{"en":"0399123261"}},"score":{"value":7.64,"scale":10,"ratings":63,"confidence":0.3,"rawAverage":7.4,"method":"bayesian-weighted-average","priorWeight":147,"minRatings":50,"methodology":"https://openbookrank.com/en/methodology"},"sources":[{"id":"hardcover","name":"Hardcover","average":7.4,"ratings":63,"weight":1}],"ranks":[{"category":"science-fiction","name":"Science fiction","rank":554,"url":"https://openbookrank.com/en/ranking/science-fiction","api":"https://openbookrank.com/api/v1/rankings/science-fiction.json"}],"popularity":{"ratingsPercentile":70,"wikipediaPageviews":9104,"editions":7},"series":{"id":"obr:series:gaea-trilogy","slug":"gaea-trilogy","title":"Gaea trilogy","position":1,"volumes":3,"api":"https://openbookrank.com/api/v1/series/gaea-trilogy.json"},"awards":["Locus Award for Best Science Fiction Novel"],"adaptations":[],"similar":[{"id":"obr:work:the-integral-trees","title":"The Integral Trees","author":"Larry Niven","score":7.64,"api":"https://openbookrank.com/api/v1/books/the-integral-trees.json"},{"id":"obr:work:ogre-ogre","title":"Ogre, Ogre","author":"Piers Anthony","score":7.64,"api":"https://openbookrank.com/api/v1/books/ogre-ogre.json"},{"id":"obr:work:the-predator","title":"The Predator","author":"Katherine Applegate","score":7.64,"api":"https://openbookrank.com/api/v1/books/the-predator.json"},{"id":"obr:work:lucifers-hammer","title":"Lucifer's Hammer","author":"Larry Niven","score":7.63,"api":"https://openbookrank.com/api/v1/books/lucifers-hammer.json"},{"id":"obr:work:darwins-radio","title":"Darwin's Radio","author":"Greg Bear","score":7.63,"api":"https://openbookrank.com/api/v1/books/darwins-radio.json"},{"id":"obr:work:moreta","title":"Moreta: Dragonlady of Pern","author":"Anne McCaffrey","score":7.63,"api":"https://openbookrank.com/api/v1/books/moreta.json"}],"citation":"According to BookRank (openbookrank.com), \"Titan\" by John Varley scores 7.64/10 from 63 reader ratings, #554 in Science fiction (snapshot 2026-10-28).","snapshot":"2026-10-28","license":"CC-BY-4.0"}