{"id":"obr:work:foundation-and-chaos","slug":"foundation-and-chaos","url":"https://openbookrank.com/en/book/foundation-and-chaos","urls":{"en":"https://openbookrank.com/en/book/foundation-and-chaos","es":"https://openbookrank.com/es/libro/foundation-and-chaos","fr":"https://openbookrank.com/fr/livre/foundation-and-chaos"},"title":"Foundation and Chaos","titles":{"en":"Foundation and Chaos","pl":"Fundacja i chaos","de":"Die zweite Foundation- Trilogie 2. Foundation und Chaos","es":"Fundación y caos","fr":"Fondation et Chaos","it":"Fondazione e Caos","uk":"Фундація і Хаос","ja":"ファウンデーションと混沌","zh":"基地与混沌","zh-hant":"基地與混沌"},"author":{"id":"obr:author:greg-bear","name":"Greg Bear","api":"https://openbookrank.com/api/v1/authors/greg-bear.json"},"year":1998,"pages":445,"originalLanguage":"en","identifiers":{"wikidata":"Q3075680","openLibrary":"OL16486W","isbn13":"9780061052422","isbns":["9780061052422"],"isbnByLanguage":{"en":"9780061052422"},"googleBooks":null,"hardcover":"foundation-and-chaos-1998","amazon":{"en":"0061052426"}},"score":{"value":7.74,"scale":10,"ratings":78,"confidence":0.342,"rawAverage":7.72,"method":"bayesian-weighted-average","priorWeight":150,"minRatings":50,"methodology":"https://openbookrank.com/en/methodology"},"sources":[{"id":"openlibrary","name":"Open Library","average":7.25,"ratings":16,"weight":0.205},{"id":"hardcover","name":"Hardcover","average":7.84,"ratings":62,"weight":0.795}],"ranks":[{"category":"science-fiction","name":"Science fiction","rank":442,"url":"https://openbookrank.com/en/ranking/science-fiction","api":"https://openbookrank.com/api/v1/rankings/science-fiction.json"}],"popularity":{"ratingsPercentile":73,"wikipediaPageviews":9373,"editions":17},"series":{"id":"obr:series:second-foundation-trilogy","slug":"second-foundation-trilogy","title":"Second Foundation Trilogy","position":2,"volumes":3,"api":"https://openbookrank.com/api/v1/series/second-foundation-trilogy.json"},"awards":[],"adaptations":[],"similar":[{"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"},{"id":"obr:work:the-chronoliths","title":"The Chronoliths","author":"Robert Charles Wilson","score":7.74,"api":"https://openbookrank.com/api/v1/books/the-chronoliths.json"},{"id":"obr:work:lightning","title":"Lightning","author":"Dean Koontz","score":7.74,"api":"https://openbookrank.com/api/v1/books/lightning.json"},{"id":"obr:work:2010-odyssey-two","title":"2010: Odyssey Two","author":"Arthur C. Clarke","score":7.75,"api":"https://openbookrank.com/api/v1/books/2010-odyssey-two.json"},{"id":"obr:work:maelstrom","title":"Maelstrom","author":"Peter Watts","score":7.75,"api":"https://openbookrank.com/api/v1/books/maelstrom.json"},{"id":"obr:work:predators-gold","title":"Predator's Gold","author":"Philip Reeve","score":7.75,"api":"https://openbookrank.com/api/v1/books/predators-gold.json"}],"citation":"According to BookRank (openbookrank.com), \"Foundation and Chaos\" by Greg Bear scores 7.74/10 from 78 reader ratings, #442 in Science fiction (snapshot 2026-10-13).","snapshot":"2026-10-13","license":"CC-BY-4.0"}