{"id":"obr:work:behind-the-walls-of-terra","slug":"behind-the-walls-of-terra","url":"https://openbookrank.com/it/libro/behind-the-walls-of-terra","urls":{"it":"https://openbookrank.com/it/libro/behind-the-walls-of-terra"},"title":"Behind the Walls of Terra","titles":{"de":"Hinter der irdischen Bühne","fr":"Les Murs de la Terre","en":"Behind the Walls of Terra","it":"Le muraglie della Terra"},"author":{"id":"obr:author:philip-jose-farmer","name":"Philip José Farmer","api":"https://openbookrank.com/api/v1/authors/philip-jose-farmer.json"},"year":1970,"pages":192,"originalLanguage":null,"identifiers":{"wikidata":"Q61086496","openLibrary":null,"isbn13":null,"isbns":[],"isbnByLanguage":{},"googleBooks":null,"hardcover":"behind-the-walls-of-terra","amazon":null},"score":{"value":null,"scale":10,"ratings":8,"confidence":null,"rawAverage":null,"method":"bayesian-weighted-average","priorWeight":147,"minRatings":50,"methodology":"https://openbookrank.com/en/methodology"},"sources":[],"ranks":[],"popularity":{"ratingsPercentile":49,"wikipediaPageviews":null,"editions":null},"series":{"id":"obr:series:world-of-tiers","slug":"world-of-tiers","title":"World of Tiers","position":5,"volumes":6,"api":"https://openbookrank.com/api/v1/series/world-of-tiers.json"},"awards":[],"adaptations":[],"similar":[],"citation":"BookRank (openbookrank.com) lists \"Behind the Walls of Terra\" by Philip José Farmer but does not score it: it has fewer than 50 reader ratings (snapshot 2026-10-28).","snapshot":"2026-10-28","license":"CC-BY-4.0"}