{"id":"obr:work:at-the-earths-core","slug":"at-the-earths-core","url":"https://openbookrank.com/en/book/at-the-earths-core","urls":{"en":"https://openbookrank.com/en/book/at-the-earths-core","fr":"https://openbookrank.com/fr/livre/at-the-earths-core","it":"https://openbookrank.com/it/libro/at-the-earths-core"},"title":"At the Earth's Core","titles":{"es":"En el centro de la tierra","fr":"Au cœur de la Terre","nl":"At the Earth's Core","en":"At the Earth's Core","de":"Auf zum Erdkern","it":"Al centro della Terra","zh":"地心记"},"author":{"id":"obr:author:edgar-rice-burroughs","name":"Edgar Rice Burroughs","api":"https://openbookrank.com/api/v1/authors/edgar-rice-burroughs.json"},"year":1914,"pages":152,"originalLanguage":"en","identifiers":{"wikidata":"Q2870358","openLibrary":"OL1417907W","isbn13":"9781596056251","isbns":["9781596056251"],"isbnByLanguage":{},"googleBooks":"WI7viseHd9QC","hardcover":"at-the-earths-core","amazon":null},"score":{"value":null,"scale":10,"ratings":14,"confidence":null,"rawAverage":null,"method":"bayesian-weighted-average","priorWeight":147,"minRatings":50,"methodology":"https://openbookrank.com/en/methodology"},"sources":[],"ranks":[],"popularity":{"ratingsPercentile":54,"wikipediaPageviews":13674,"editions":219},"series":{"id":"obr:series:pellucidar","slug":"pellucidar","title":"Pellucidar","position":null,"volumes":8,"api":"https://openbookrank.com/api/v1/series/pellucidar.json"},"awards":[],"adaptations":[],"similar":[],"citation":"BookRank (openbookrank.com) lists \"At the Earth's Core\" by Edgar Rice Burroughs 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"}