{"id":"obr:work:obsidian-butterfly","slug":"obsidian-butterfly","url":"https://openbookrank.com/en/book/obsidian-butterfly","urls":{"en":"https://openbookrank.com/en/book/obsidian-butterfly","it":"https://openbookrank.com/it/libro/obsidian-butterfly"},"title":"Obsidian Butterfly","titles":{"en":"Obsidian Butterfly","pl":"Obsydianowy Motyl","fr":"Papillon d'obsidienne","it":"Butterfly","nl":"Obsidian Butterfly"},"author":{"id":"obr:author:laurell-k-hamilton","name":"Laurell K. Hamilton","api":"https://openbookrank.com/api/v1/authors/laurell-k-hamilton.json"},"year":2000,"pages":null,"originalLanguage":null,"identifiers":{"wikidata":"Q3647735","openLibrary":"OL461926W","isbn13":null,"isbns":[],"isbnByLanguage":{},"googleBooks":null,"hardcover":"obsidian-butterfly","amazon":null},"score":{"value":7.5,"scale":10,"ratings":134,"confidence":0.477,"rawAverage":7.51,"method":"bayesian-weighted-average","priorWeight":147,"minRatings":50,"methodology":"https://openbookrank.com/en/methodology"},"sources":[{"id":"hardcover","name":"Hardcover","average":7.51,"ratings":134,"weight":1}],"ranks":[{"category":"horror","name":"Horror","rank":133,"url":"https://openbookrank.com/en/ranking/horror","api":"https://openbookrank.com/api/v1/rankings/horror.json"}],"popularity":{"ratingsPercentile":81,"wikipediaPageviews":0,"editions":2},"series":{"id":"obr:series:anita-blake-vampire-hunter","slug":"anita-blake-vampire-hunter","title":"Anita Blake: Vampire Hunter","position":9,"volumes":28,"api":"https://openbookrank.com/api/v1/series/anita-blake-vampire-hunter.json"},"awards":[],"adaptations":[],"similar":[{"id":"obr:work:taltos","title":"Taltos","author":"Anne Rice","score":7.5,"api":"https://openbookrank.com/api/v1/books/taltos.json"},{"id":"obr:work:the-tomb","title":"The Tomb","author":"F. Paul Wilson","score":7.5,"api":"https://openbookrank.com/api/v1/books/the-tomb.json"},{"id":"obr:work:the-laughing-corpse","title":"The Laughing Corpse","author":"Laurell K. Hamilton","score":7.5,"api":"https://openbookrank.com/api/v1/books/the-laughing-corpse.json"},{"id":"obr:work:phantoms","title":"Phantoms","author":"Dean Koontz","score":7.51,"api":"https://openbookrank.com/api/v1/books/phantoms.json"},{"id":"obr:work:anno-dracula","title":"Anno Dracula","author":"Kim Newman","score":7.51,"api":"https://openbookrank.com/api/v1/books/anno-dracula.json"},{"id":"obr:work:cabal","title":"Cabal","author":"Clive Barker","score":7.49,"api":"https://openbookrank.com/api/v1/books/cabal.json"}],"citation":"According to BookRank (openbookrank.com), \"Obsidian Butterfly\" by Laurell K. Hamilton scores 7.5/10 from 134 reader ratings, #133 in Horror (snapshot 2026-10-28).","snapshot":"2026-10-28","license":"CC-BY-4.0"}