{"id":"obr:work:cats-cradle","slug":"cats-cradle","url":"https://openbookrank.com/en/book/cats-cradle","urls":{"en":"https://openbookrank.com/en/book/cats-cradle","pl":"https://openbookrank.com/pl/ksiazka/cats-cradle","de":"https://openbookrank.com/de/buch/cats-cradle","es":"https://openbookrank.com/es/libro/cats-cradle","fr":"https://openbookrank.com/fr/livre/cats-cradle","it":"https://openbookrank.com/it/libro/cats-cradle","nl":"https://openbookrank.com/nl/boek/cats-cradle","sv":"https://openbookrank.com/sv/bok/cats-cradle","ja":"https://openbookrank.com/ja/hon/cats-cradle","zh-hant":"https://openbookrank.com/zh-hant/tushu/cats-cradle"},"title":"Cat's Cradle","titles":{"en":"Cat's Cradle","pl":"Kocia kołyska","de":"Katzenwiege","es":"Cuna de gato","fr":"Le Berceau du chat","it":"Ghiaccio-nove","pt":"Cama de Gato","nl":"Geen kind en geen wieg","sv":"Vaggan","uk":"Колиска для кішки","ja":"猫のゆりかご","ko":"고양이 요람","zh":"猫的摇篮","zh-hant":"貓的搖籃"},"author":{"id":"obr:author:kurt-vonnegut","name":"Kurt Vonnegut","api":"https://openbookrank.com/api/v1/authors/kurt-vonnegut.json"},"year":1963,"pages":231,"originalLanguage":"en","identifiers":{"wikidata":"Q41359","openLibrary":"OL98454W","isbn13":"0385281269","isbns":["9785722004666","9788381165440","9782020016216","9788576576891","9788433923158","9789861732664"],"isbnByLanguage":{"pl":"9788381165440","fr":"9782020016216","pt":"9788576576891","es":"9788433923158","zh":"9789861732664"},"googleBooks":"ajoGAQAAIAAJ","hardcover":"cats-cradle","amazon":{"en":"0385281269","pl":"838116544X","fr":"2020016214","es":"8433923153","de":"3499124491"}},"score":{"value":8.1,"scale":10,"ratings":1541,"confidence":0.913,"rawAverage":8.14,"method":"bayesian-weighted-average","priorWeight":147,"minRatings":50,"methodology":"https://openbookrank.com/en/methodology"},"sources":[{"id":"openlibrary","name":"Open Library","average":7.92,"ratings":106,"weight":0.069},{"id":"hardcover","name":"Hardcover","average":8.15,"ratings":1435,"weight":0.931}],"ranks":[{"category":"classics","name":"Classics","rank":61,"url":"https://openbookrank.com/en/ranking/classics","api":"https://openbookrank.com/api/v1/rankings/classics.json"},{"category":"science-fiction","name":"Science fiction","rank":150,"url":"https://openbookrank.com/en/ranking/science-fiction","api":"https://openbookrank.com/api/v1/rankings/science-fiction.json"}],"popularity":{"ratingsPercentile":98,"wikipediaPageviews":263367,"editions":87},"series":null,"awards":["NPR Top 100 Science Fiction and Fantasy Books"],"adaptations":[],"similar":[{"id":"obr:work:gravitys-rainbow","title":"Gravity's Rainbow","author":"Thomas Pynchon","score":8.11,"api":"https://openbookrank.com/api/v1/books/gravitys-rainbow.json"},{"id":"obr:work:the-word-for-world-is-forest","title":"The Word for World Is Forest","author":"Ursula K. Le Guin","score":8.11,"api":"https://openbookrank.com/api/v1/books/the-word-for-world-is-forest.json"},{"id":"obr:work:the-caves-of-steel","title":"The Caves of Steel","author":"Isaac Asimov","score":8.12,"api":"https://openbookrank.com/api/v1/books/the-caves-of-steel.json"},{"id":"obr:work:the-gods-themselves","title":"The Gods Themselves","author":"Isaac Asimov","score":8.12,"api":"https://openbookrank.com/api/v1/books/the-gods-themselves.json"},{"id":"obr:work:the-naked-sun","title":"The Naked Sun","author":"Isaac Asimov","score":8.13,"api":"https://openbookrank.com/api/v1/books/the-naked-sun.json"},{"id":"obr:work:foundation","title":"Foundation","author":"Isaac Asimov","score":8.15,"api":"https://openbookrank.com/api/v1/books/foundation.json"}],"citation":"According to BookRank (openbookrank.com), \"Cat's Cradle\" by Kurt Vonnegut scores 8.1/10 from 1,541 reader ratings, #61 in Classics (snapshot 2026-10-28).","snapshot":"2026-10-28","license":"CC-BY-4.0"}