{"id":"obr:work:sign-of-chaos","slug":"sign-of-chaos","url":"https://openbookrank.com/en/book/sign-of-chaos","urls":{"en":"https://openbookrank.com/en/book/sign-of-chaos","pl":"https://openbookrank.com/pl/ksiazka/sign-of-chaos","de":"https://openbookrank.com/de/buch/sign-of-chaos","fr":"https://openbookrank.com/fr/livre/sign-of-chaos"},"title":"Sign of Chaos","titles":{"en":"Sign of Chaos","pl":"Znak Chaosu","de":"Zeichen des Chaos","fr":"Le Signe du Chaos","it":"Il segno del caos","sv":"Logrus tecken","uk":"Знак Хаосу"},"author":{"id":"obr:author:roger-zelazny","name":"Roger Zelazny","api":"https://openbookrank.com/api/v1/authors/roger-zelazny.json"},"year":1987,"pages":224,"originalLanguage":"en","identifiers":{"wikidata":"Q2470280","openLibrary":"OL13988W","isbn13":"9780877959267","isbns":["9780877959267","9788074790461"],"isbnByLanguage":{"en":"9780877959267","cs":"9788074790461"},"googleBooks":null,"hardcover":"sign-of-chaos","amazon":{"en":"0877959269"}},"score":{"value":7.9,"scale":10,"ratings":92,"confidence":0.385,"rawAverage":7.83,"method":"bayesian-weighted-average","priorWeight":147,"minRatings":50,"methodology":"https://openbookrank.com/en/methodology"},"sources":[{"id":"openlibrary","name":"Open Library","average":7.33,"ratings":9,"weight":0.098},{"id":"hardcover","name":"Hardcover","average":7.88,"ratings":83,"weight":0.902}],"ranks":[{"category":"fantasy","name":"Fantasy","rank":849,"url":"https://openbookrank.com/en/ranking/fantasy","api":"https://openbookrank.com/api/v1/rankings/fantasy.json"}],"popularity":{"ratingsPercentile":76,"wikipediaPageviews":2080,"editions":17},"series":{"id":"obr:series:the-chronicles-of-amber","slug":"the-chronicles-of-amber","title":"The Chronicles of Amber","position":8,"volumes":10,"api":"https://openbookrank.com/api/v1/series/the-chronicles-of-amber.json"},"awards":[],"adaptations":[],"similar":[{"id":"obr:work:abarat","title":"Abarat","author":"Clive Barker","score":7.9,"api":"https://openbookrank.com/api/v1/books/abarat.json"},{"id":"obr:work:soul-music","title":"Soul Music","author":"Terry Pratchett","score":7.9,"api":"https://openbookrank.com/api/v1/books/soul-music.json"},{"id":"obr:work:shadow-games","title":"Shadow Games","author":"Glen Cook","score":7.9,"api":"https://openbookrank.com/api/v1/books/shadow-games.json"},{"id":"obr:work:the-wounded-land","title":"The Wounded Land","author":"Stephen R. Donaldson","score":7.9,"api":"https://openbookrank.com/api/v1/books/the-wounded-land.json"},{"id":"obr:work:pawn-of-prophecy","title":"Pawn of Prophecy","author":"David Eddings","score":7.9,"api":"https://openbookrank.com/api/v1/books/pawn-of-prophecy.json"},{"id":"obr:work:catwings","title":"Catwings","author":"Ursula K. Le Guin","score":7.9,"api":"https://openbookrank.com/api/v1/books/catwings.json"}],"citation":"According to BookRank (openbookrank.com), \"Sign of Chaos\" by Roger Zelazny scores 7.9/10 from 92 reader ratings, #849 in Fantasy (snapshot 2026-10-28).","snapshot":"2026-10-28","license":"CC-BY-4.0"}