{"id":"obr:work:the-door-into-summer","slug":"the-door-into-summer","url":"https://openbookrank.com/en/book/the-door-into-summer","urls":{"en":"https://openbookrank.com/en/book/the-door-into-summer","de":"https://openbookrank.com/de/buch/the-door-into-summer","es":"https://openbookrank.com/es/libro/the-door-into-summer","fr":"https://openbookrank.com/fr/livre/the-door-into-summer","it":"https://openbookrank.com/it/libro/the-door-into-summer","sv":"https://openbookrank.com/sv/bok/the-door-into-summer","ja":"https://openbookrank.com/ja/hon/the-door-into-summer","zh-hant":"https://openbookrank.com/zh-hant/tushu/the-door-into-summer"},"title":"The Door into Summer","titles":{"en":"The Door into Summer","pl":"Drzwi do lata","de":"Die Tür in den Sommer","es":"Puerta al verano","fr":"Une porte sur l'été","it":"La porta sull'estate","nl":"The Door into Summer","sv":"Dörren till sommaren","uk":"Двері у літо","ja":"夏への扉","ko":"여름으로 가는 문","zh":"夏之门","zh-hant":"夏之門"},"author":{"id":"obr:author:robert-a-heinlein","name":"Robert A. Heinlein","api":"https://openbookrank.com/api/v1/authors/robert-a-heinlein.json"},"year":1956,"pages":192,"originalLanguage":"en","identifiers":{"wikidata":"Q427331","openLibrary":"OL59733W","isbn13":"9780575112971","isbns":["9780575112971","9784150123093","9789867782946","9782290005101","9788381880251","9788496525344"],"isbnByLanguage":{"en":"9780575112971","ja":"9784150123093","zh":"9789867782946","fr":"9782290005101","pl":"9788381880251","es":"9788496525344"},"googleBooks":"ZVajAQAAQBAJ","hardcover":"the-door-into-summer","amazon":{"en":"0575112972","fr":"229000510X","pl":"8381880254","de":"3442230756","es":"8496525341"}},"score":{"value":7.6,"scale":10,"ratings":132,"confidence":0.473,"rawAverage":7.44,"method":"bayesian-weighted-average","priorWeight":147,"minRatings":50,"methodology":"https://openbookrank.com/en/methodology"},"sources":[{"id":"openlibrary","name":"Open Library","average":7.16,"ratings":19,"weight":0.144},{"id":"hardcover","name":"Hardcover","average":7.49,"ratings":113,"weight":0.856}],"ranks":[{"category":"science-fiction","name":"Science fiction","rank":592,"url":"https://openbookrank.com/en/ranking/science-fiction","api":"https://openbookrank.com/api/v1/rankings/science-fiction.json"}],"popularity":{"ratingsPercentile":81,"wikipediaPageviews":23595,"editions":49},"series":null,"awards":[],"adaptations":[{"qid":"Q110190783","kind":"film","year":2021,"fame":5,"title":{"en":"The Door into Summer","pl":"The Door into Summer","de":"Die Tür in den Sommer","es":"Puerta al verano","fr":"Une porte sur l'été","it":"The Door into Summer"},"director":"Takahiro Miki","imdb":"tt13757540"}],"similar":[{"id":"obr:work:on-the-beach","title":"On the Beach","author":"Nevil Shute","score":7.6,"api":"https://openbookrank.com/api/v1/books/on-the-beach.json"},{"id":"obr:work:that-hideous-strength","title":"That Hideous Strength","author":"C. S. Lewis","score":7.6,"api":"https://openbookrank.com/api/v1/books/that-hideous-strength.json"},{"id":"obr:work:the-iron-heel","title":"The Iron Heel","author":"Jack London","score":7.59,"api":"https://openbookrank.com/api/v1/books/the-iron-heel.json"},{"id":"obr:work:glory-road","title":"Glory Road","author":"Robert A. Heinlein","score":7.59,"api":"https://openbookrank.com/api/v1/books/glory-road.json"},{"id":"obr:work:planet-of-exile","title":"Planet of Exile","author":"Ursula K. Le Guin","score":7.61,"api":"https://openbookrank.com/api/v1/books/planet-of-exile.json"},{"id":"obr:work:nova","title":"Nova","author":"Samuel R. Delany","score":7.61,"api":"https://openbookrank.com/api/v1/books/nova.json"}],"citation":"According to BookRank (openbookrank.com), \"The Door into Summer\" by Robert A. Heinlein scores 7.6/10 from 132 reader ratings, #592 in Science fiction (snapshot 2026-10-28).","snapshot":"2026-10-28","license":"CC-BY-4.0"}