{"id":"obr:work:night-mare","slug":"night-mare","url":"https://openbookrank.com/en/book/night-mare","urls":{"en":"https://openbookrank.com/en/book/night-mare","pl":"https://openbookrank.com/pl/ksiazka/night-mare"},"title":"Night Mare","titles":{"en":"Night Mare","pl":"Nocna mara","de":"Nacht-Mähre","fr":"Cavale dans la nuit","ja":"夢馬の使命"},"author":{"id":"obr:author:piers-anthony","name":"Piers Anthony","api":"https://openbookrank.com/api/v1/authors/piers-anthony.json"},"year":1983,"pages":307,"originalLanguage":"en","identifiers":{"wikidata":"Q11792666","openLibrary":"OL80837W","isbn13":"9780345354938","isbns":["9780345354938"],"isbnByLanguage":{"en":"9780345354938"},"googleBooks":"MtCPokJmgVMC","hardcover":"night-mare","amazon":{"en":"0345354931"}},"score":{"value":7.67,"scale":10,"ratings":76,"confidence":0.341,"rawAverage":7.12,"method":"bayesian-weighted-average","priorWeight":147,"minRatings":50,"methodology":"https://openbookrank.com/en/methodology"},"sources":[{"id":"openlibrary","name":"Open Library","average":8.18,"ratings":11,"weight":0.145},{"id":"hardcover","name":"Hardcover","average":6.94,"ratings":65,"weight":0.855}],"ranks":[{"category":"fantasy","name":"Fantasy","rank":1204,"url":"https://openbookrank.com/en/ranking/fantasy","api":"https://openbookrank.com/api/v1/rankings/fantasy.json"}],"popularity":{"ratingsPercentile":73,"wikipediaPageviews":2888,"editions":9},"series":{"id":"obr:series:xanth","slug":"xanth","title":"Xanth","position":6,"volumes":47,"api":"https://openbookrank.com/api/v1/series/xanth.json"},"awards":[],"adaptations":[],"similar":[{"id":"obr:work:red-prophet","title":"Red Prophet","author":"Orson Scott Card","score":7.67,"api":"https://openbookrank.com/api/v1/books/red-prophet.json"},{"id":"obr:work:black","title":"Black","author":"Ted Dekker","score":7.67,"api":"https://openbookrank.com/api/v1/books/black.json"},{"id":"obr:work:black-sun-rising","title":"Black Sun Rising","author":"Celia S. Friedman","score":7.67,"api":"https://openbookrank.com/api/v1/books/black-sun-rising.json"},{"id":"obr:work:the-shadow-of-the-torturer","title":"The Shadow of the Torturer","author":"Gene Wolfe","score":7.68,"api":"https://openbookrank.com/api/v1/books/the-shadow-of-the-torturer.json"},{"id":"obr:work:wizards-first-rule","title":"Wizard's First Rule","author":"Terry Goodkind","score":7.68,"api":"https://openbookrank.com/api/v1/books/wizards-first-rule.json"},{"id":"obr:work:sourcery","title":"Sourcery","author":"Terry Pratchett","score":7.68,"api":"https://openbookrank.com/api/v1/books/sourcery.json"}],"citation":"According to BookRank (openbookrank.com), \"Night Mare\" by Piers Anthony scores 7.67/10 from 76 reader ratings, #1204 in Fantasy (snapshot 2026-10-28).","snapshot":"2026-10-28","license":"CC-BY-4.0"}