{"id":"obr:work:9-from-the-nine-worlds","slug":"9-from-the-nine-worlds","url":"https://openbookrank.com/en/book/9-from-the-nine-worlds","urls":{"en":"https://openbookrank.com/en/book/9-from-the-nine-worlds"},"title":"9 From the Nine Worlds","titles":{"en":"9 From the Nine Worlds","pl":"9 z dziewięciu światów","it":"Magnus Chase e gli dei di Asgard. Le storie segrete","pt":"9 contos de nove mundos"},"author":{"id":"obr:author:rick-riordan","name":"Rick Riordan","api":"https://openbookrank.com/api/v1/authors/rick-riordan.json"},"year":2018,"pages":176,"originalLanguage":null,"identifiers":{"wikidata":"Q96309173","openLibrary":"OL17932982W","isbn13":null,"isbns":[],"isbnByLanguage":{},"googleBooks":null,"hardcover":"9-from-the-nine-worlds","amazon":null},"score":{"value":7.9,"scale":10,"ratings":50,"confidence":0.254,"rawAverage":7.74,"method":"bayesian-weighted-average","priorWeight":147,"minRatings":50,"methodology":"https://openbookrank.com/en/methodology"},"sources":[{"id":"openlibrary","name":"Open Library","average":10,"ratings":6,"weight":0.12},{"id":"hardcover","name":"Hardcover","average":7.43,"ratings":44,"weight":0.88}],"ranks":[{"category":"fantasy","name":"Fantasy","rank":856,"url":"https://openbookrank.com/en/ranking/fantasy","api":"https://openbookrank.com/api/v1/rankings/fantasy.json"}],"popularity":{"ratingsPercentile":67,"wikipediaPageviews":0,"editions":13},"series":{"id":"obr:series:magnus-chase-and-the-gods-of-asgard","slug":"magnus-chase-and-the-gods-of-asgard","title":"Magnus Chase and the Gods of Asgard","position":4,"volumes":4,"api":"https://openbookrank.com/api/v1/series/magnus-chase-and-the-gods-of-asgard.json"},"awards":[],"adaptations":[],"similar":[{"id":"obr:work:written-in-my-own-hearts-blood","title":"Written in My Own Heart's Blood","author":"Diana Gabaldon","score":7.9,"api":"https://openbookrank.com/api/v1/books/written-in-my-own-hearts-blood.json"},{"id":"obr:work:dangerous-women","title":"Dangerous Women","author":"Megan Abbott","score":7.9,"api":"https://openbookrank.com/api/v1/books/dangerous-women.json"},{"id":"obr:work:bury-our-bones-in-the-midnight-soil","title":"Bury Our Bones in the Midnight Soil","author":"V. E. Schwab","score":7.9,"api":"https://openbookrank.com/api/v1/books/bury-our-bones-in-the-midnight-soil.json"},{"id":"obr:work:the-gypsy-morph","title":"The Gypsy Morph","author":"Terry Brooks","score":7.9,"api":"https://openbookrank.com/api/v1/books/the-gypsy-morph.json"},{"id":"obr:work:half-a-war","title":"Half a War","author":"Joe Abercrombie","score":7.9,"api":"https://openbookrank.com/api/v1/books/half-a-war.json"},{"id":"obr:work:dead-lies-dreaming","title":"Dead Lies Dreaming","author":"Charles Stross","score":7.9,"api":"https://openbookrank.com/api/v1/books/dead-lies-dreaming.json"}],"citation":"According to BookRank (openbookrank.com), \"9 From the Nine Worlds\" by Rick Riordan scores 7.9/10 from 50 reader ratings, #856 in Fantasy (snapshot 2026-10-28).","snapshot":"2026-10-28","license":"CC-BY-4.0"}