{"id":"obr:work:holy-sister","slug":"holy-sister","url":"https://openbookrank.com/en/book/holy-sister","urls":{"en":"https://openbookrank.com/en/book/holy-sister"},"title":"Holy Sister","titles":{"en":"Holy Sister","pl":"Święta siostra","de":"Schattenkämpfer","fr":"Sœur sainte"},"author":{"id":"obr:author:mark-lawrence","name":"Mark Lawrence","api":"https://openbookrank.com/api/v1/authors/mark-lawrence.json"},"year":2019,"pages":352,"originalLanguage":"en","identifiers":{"wikidata":"Q133451916","openLibrary":"OL20097592W","isbn13":null,"isbns":[],"isbnByLanguage":{},"googleBooks":null,"hardcover":"holy-sister","amazon":null},"score":{"value":8.34,"scale":10,"ratings":258,"confidence":0.637,"rawAverage":8.57,"method":"bayesian-weighted-average","priorWeight":147,"minRatings":50,"methodology":"https://openbookrank.com/en/methodology"},"sources":[{"id":"openlibrary","name":"Open Library","average":8.5,"ratings":12,"weight":0.047},{"id":"hardcover","name":"Hardcover","average":8.57,"ratings":246,"weight":0.953}],"ranks":[{"category":"fantasy","name":"Fantasy","rank":188,"url":"https://openbookrank.com/en/ranking/fantasy","api":"https://openbookrank.com/api/v1/rankings/fantasy.json"}],"popularity":{"ratingsPercentile":88,"wikipediaPageviews":0,"editions":8},"series":{"id":"obr:series:the-book-of-the-ancestor","slug":"the-book-of-the-ancestor","title":"The Book of the Ancestor","position":3,"volumes":3,"api":"https://openbookrank.com/api/v1/series/the-book-of-the-ancestor.json"},"awards":[],"adaptations":[],"similar":[{"id":"obr:work:princeps-fury","title":"Princeps' Fury","author":"Jim Butcher","score":8.34,"api":"https://openbookrank.com/api/v1/books/princeps-fury.json"},{"id":"obr:work:house-of-sky-and-breath","title":"House of Sky and Breath","author":"Sarah J. Maas","score":8.34,"api":"https://openbookrank.com/api/v1/books/house-of-sky-and-breath.json"},{"id":"obr:work:a-court-of-silver-flames","title":"A Court of Silver Flames","author":"Sarah J. Maas","score":8.34,"api":"https://openbookrank.com/api/v1/books/a-court-of-silver-flames.json"},{"id":"obr:work:the-last-graduate","title":"The Last Graduate","author":"Naomi Novik","score":8.35,"api":"https://openbookrank.com/api/v1/books/the-last-graduate.json"},{"id":"obr:work:the-poet-empress","title":"The Poet Empress","author":"Shen Tao","score":8.35,"api":"https://openbookrank.com/api/v1/books/the-poet-empress.json"},{"id":"obr:work:foundryside","title":"Foundryside","author":"Robert Jackson Bennett","score":8.36,"api":"https://openbookrank.com/api/v1/books/foundryside.json"}],"citation":"According to BookRank (openbookrank.com), \"Holy Sister\" by Mark Lawrence scores 8.34/10 from 258 reader ratings, #188 in Fantasy (snapshot 2026-10-28).","snapshot":"2026-10-28","license":"CC-BY-4.0"}