{"id":"obr:work:cold-days","slug":"cold-days","url":"https://openbookrank.com/en/book/cold-days","urls":{"en":"https://openbookrank.com/en/book/cold-days"},"title":"Cold Days","titles":{"en":"Cold Days","pl":"Zimne dni","de":"Eiskalt","uk":"Холодні дні"},"author":{"id":"obr:author:jim-butcher","name":"Jim Butcher","api":"https://openbookrank.com/api/v1/authors/jim-butcher.json"},"year":2012,"pages":640,"originalLanguage":"en","identifiers":{"wikidata":"Q5142235","openLibrary":"OL17383102W","isbn13":"9780748130818","isbns":["9780748130818"],"isbnByLanguage":{"en":"9780748130818"},"googleBooks":"HS18MAEACAAJ","hardcover":"cold-days","amazon":null},"score":{"value":8.65,"scale":10,"ratings":680,"confidence":0.822,"rawAverage":8.81,"method":"bayesian-weighted-average","priorWeight":147,"minRatings":50,"methodology":"https://openbookrank.com/en/methodology"},"sources":[{"id":"openlibrary","name":"Open Library","average":8.75,"ratings":24,"weight":0.035},{"id":"hardcover","name":"Hardcover","average":8.81,"ratings":656,"weight":0.965}],"ranks":[{"category":"fantasy","name":"Fantasy","rank":48,"url":"https://openbookrank.com/en/ranking/fantasy","api":"https://openbookrank.com/api/v1/rankings/fantasy.json"}],"popularity":{"ratingsPercentile":95,"wikipediaPageviews":15759,"editions":0},"series":{"id":"obr:series:the-dresden-files","slug":"the-dresden-files","title":"The Dresden Files","position":14,"volumes":18,"api":"https://openbookrank.com/api/v1/series/the-dresden-files.json"},"awards":[],"adaptations":[],"similar":[{"id":"obr:work:dungeon-crawler-carl-ff895","title":"Dungeon Crawler Carl","author":"Matt Dinniman","score":8.65,"api":"https://openbookrank.com/api/v1/books/dungeon-crawler-carl-ff895.json"},{"id":"obr:work:underlord","title":"Underlord","author":"Will Wight","score":8.66,"api":"https://openbookrank.com/api/v1/books/underlord.json"},{"id":"obr:work:mistborn-the-well-of-ascension","title":"Mistborn: The Well of Ascension","author":"Brandon Sanderson","score":8.64,"api":"https://openbookrank.com/api/v1/books/mistborn-the-well-of-ascension.json"},{"id":"obr:work:a-court-of-mist-and-fury","title":"A Court of Mist and Fury","author":"Sarah J. Maas","score":8.67,"api":"https://openbookrank.com/api/v1/books/a-court-of-mist-and-fury.json"},{"id":"obr:work:isles-of-the-emberdark","title":"Isles of the Emberdark","author":"Brandon Sanderson","score":8.67,"api":"https://openbookrank.com/api/v1/books/isles-of-the-emberdark.json"},{"id":"obr:work:the-obelisk-gate","title":"The Obelisk Gate","author":"N. K. Jemisin","score":8.63,"api":"https://openbookrank.com/api/v1/books/the-obelisk-gate.json"}],"citation":"According to BookRank (openbookrank.com), \"Cold Days\" by Jim Butcher scores 8.65/10 from 680 reader ratings, #48 in Fantasy (snapshot 2026-10-28).","snapshot":"2026-10-28","license":"CC-BY-4.0"}