{"id":"obr:work:space-cadet","slug":"space-cadet","url":"https://openbookrank.com/en/book/space-cadet","urls":{"en":"https://openbookrank.com/en/book/space-cadet","fr":"https://openbookrank.com/fr/livre/space-cadet","it":"https://openbookrank.com/it/libro/space-cadet","ja":"https://openbookrank.com/ja/hon/space-cadet"},"title":"Space Cadet","titles":{"en":"Space Cadet","de":"Space Cadet","es":"Cadete del espacio","fr":"La Patrouille de l'espace","it":"Cadetti dello spazio","nl":"Space Cadet","sv":"Rymdkadetten","uk":"Космічний кадет","ja":"栄光のスペース・アカデミー"},"author":{"id":"obr:author:robert-a-heinlein","name":"Robert A. Heinlein","api":"https://openbookrank.com/api/v1/authors/robert-a-heinlein.json"},"year":1948,"pages":242,"originalLanguage":"en","identifiers":{"wikidata":"Q81783","openLibrary":"OL59710W","isbn13":null,"isbns":[],"isbnByLanguage":{},"googleBooks":null,"hardcover":"space-cadet","amazon":null},"score":{"value":7.63,"scale":10,"ratings":51,"confidence":0.258,"rawAverage":7.27,"method":"bayesian-weighted-average","priorWeight":147,"minRatings":50,"methodology":"https://openbookrank.com/en/methodology"},"sources":[{"id":"openlibrary","name":"Open Library","average":8.67,"ratings":9,"weight":0.176},{"id":"hardcover","name":"Hardcover","average":6.98,"ratings":42,"weight":0.824}],"ranks":[{"category":"science-fiction","name":"Science fiction","rank":563,"url":"https://openbookrank.com/en/ranking/science-fiction","api":"https://openbookrank.com/api/v1/rankings/science-fiction.json"}],"popularity":{"ratingsPercentile":67,"wikipediaPageviews":10413,"editions":26},"series":{"id":"obr:series:heinlein-juveniles","slug":"heinlein-juveniles","title":"Heinlein juveniles","position":null,"volumes":11,"api":"https://openbookrank.com/api/v1/series/heinlein-juveniles.json"},"awards":[],"adaptations":[],"similar":[{"id":"obr:work:methuselahs-children","title":"Methuselah's Children","author":"Robert A. Heinlein","score":7.63,"api":"https://openbookrank.com/api/v1/books/methuselahs-children.json"},{"id":"obr:work:citizen-of-the-galaxy","title":"Citizen of the Galaxy","author":"Robert A. Heinlein","score":7.63,"api":"https://openbookrank.com/api/v1/books/citizen-of-the-galaxy.json"},{"id":"obr:work:fantastic-voyage","title":"Fantastic Voyage","author":"Isaac Asimov","score":7.64,"api":"https://openbookrank.com/api/v1/books/fantastic-voyage.json"},{"id":"obr:work:the-midwich-cuckoos","title":"The Midwich Cuckoos","author":"John Wyndham","score":7.64,"api":"https://openbookrank.com/api/v1/books/the-midwich-cuckoos.json"},{"id":"obr:work:the-chrysalids","title":"The Chrysalids","author":"John Wyndham","score":7.64,"api":"https://openbookrank.com/api/v1/books/the-chrysalids.json"},{"id":"obr:work:red-planet","title":"Red Planet","author":"Robert A. Heinlein","score":7.64,"api":"https://openbookrank.com/api/v1/books/red-planet.json"}],"citation":"According to BookRank (openbookrank.com), \"Space Cadet\" by Robert A. Heinlein scores 7.63/10 from 51 reader ratings, #563 in Science fiction (snapshot 2026-10-28).","snapshot":"2026-10-28","license":"CC-BY-4.0"}