{"id":"obr:work:the-hollow-hills","slug":"the-hollow-hills","url":"https://openbookrank.com/en/book/the-hollow-hills","urls":{"en":"https://openbookrank.com/en/book/the-hollow-hills","it":"https://openbookrank.com/it/libro/the-hollow-hills","nl":"https://openbookrank.com/nl/boek/the-hollow-hills"},"title":"The Hollow Hills","titles":{"en":"The Hollow Hills","de":"Der Erbe","es":"Las colinas huecas","fr":"Le Roi de lumie re","it":"Le grotte nelle montagne","nl":"De holle heuvels","sv":"Grottbergen"},"author":{"id":"obr:author:mary-stewart","name":"Mary Stewart","api":"https://openbookrank.com/api/v1/authors/mary-stewart.json"},"year":1973,"pages":475,"originalLanguage":"en","identifiers":{"wikidata":"Q3256063","openLibrary":"OL213263W","isbn13":"9781449521929","isbns":["9781449521929","9788490701669"],"isbnByLanguage":{"en":"9781449521929","es":"9788490701669"},"googleBooks":"kPtKCbAKioAC","hardcover":"the-hollow-hills","amazon":{"en":"1449521924","es":"8490701660","de":"3453007131","it":"8817113328"}},"score":{"value":7.97,"scale":10,"ratings":61,"confidence":0.293,"rawAverage":8.02,"method":"bayesian-weighted-average","priorWeight":147,"minRatings":50,"methodology":"https://openbookrank.com/en/methodology"},"sources":[{"id":"openlibrary","name":"Open Library","average":8.75,"ratings":8,"weight":0.131},{"id":"hardcover","name":"Hardcover","average":7.91,"ratings":53,"weight":0.869}],"ranks":[{"category":"fantasy","name":"Fantasy","rank":692,"url":"https://openbookrank.com/en/ranking/fantasy","api":"https://openbookrank.com/api/v1/rankings/fantasy.json"}],"popularity":{"ratingsPercentile":70,"wikipediaPageviews":8357,"editions":44},"series":{"id":"obr:series:mary-stewarts-merlin-trilogy","slug":"mary-stewarts-merlin-trilogy","title":"Mary Stewart's Merlin Trilogy","position":null,"volumes":5,"api":"https://openbookrank.com/api/v1/series/mary-stewarts-merlin-trilogy.json"},"awards":["Mythopoeic Fantasy Award"],"adaptations":[],"similar":[{"id":"obr:work:the-case-of-charles-dexter-ward","title":"The Case of Charles Dexter Ward","author":"H. P. Lovecraft","score":7.98,"api":"https://openbookrank.com/api/v1/books/the-case-of-charles-dexter-ward.json"},{"id":"obr:work:the-book-of-three","title":"The Book of Three","author":"Lloyd Alexander","score":7.99,"api":"https://openbookrank.com/api/v1/books/the-book-of-three.json"},{"id":"obr:work:the-october-country","title":"The October Country","author":"Ray Bradbury","score":7.99,"api":"https://openbookrank.com/api/v1/books/the-october-country.json"},{"id":"obr:work:the-crystal-cave","title":"The Crystal Cave","author":"Mary Stewart","score":7.94,"api":"https://openbookrank.com/api/v1/books/the-crystal-cave.json"},{"id":"obr:work:the-magic-faraway-tree","title":"The Magic Faraway Tree","author":"Enid Blyton","score":8,"api":"https://openbookrank.com/api/v1/books/the-magic-faraway-tree.json"},{"id":"obr:work:dandelion-wine","title":"Dandelion Wine","author":"Ray Bradbury","score":8.01,"api":"https://openbookrank.com/api/v1/books/dandelion-wine.json"}],"citation":"According to BookRank (openbookrank.com), \"The Hollow Hills\" by Mary Stewart scores 7.97/10 from 61 reader ratings, #692 in Fantasy (snapshot 2026-10-28).","snapshot":"2026-10-28","license":"CC-BY-4.0"}