{"id":"obr:work:the-hades-factor","slug":"the-hades-factor","url":"https://openbookrank.com/en/book/the-hades-factor","urls":{"en":"https://openbookrank.com/en/book/the-hades-factor","it":"https://openbookrank.com/it/libro/the-hades-factor"},"title":"The Hades Factor","titles":{"de":"Der Hades-Faktor","it":"Laboratorio mortale","nl":"De Hades Factor","es":"El factor Hades","fr":"Opération Hadès","sv":"Robert Ludlums Projekt Hades","en":"The Hades Factor"},"author":{"id":"obr:author:robert-ludlum","name":"Robert Ludlum","api":"https://openbookrank.com/api/v1/authors/robert-ludlum.json"},"year":2000,"pages":420,"originalLanguage":null,"identifiers":{"wikidata":"Q17635190","openLibrary":null,"isbn13":"9780312973056","isbns":["9780312973056"],"isbnByLanguage":{},"googleBooks":null,"hardcover":"the-hades-factor","amazon":null},"score":{"value":null,"scale":10,"ratings":27,"confidence":null,"rawAverage":null,"method":"bayesian-weighted-average","priorWeight":147,"minRatings":50,"methodology":"https://openbookrank.com/en/methodology"},"sources":[],"ranks":[],"popularity":{"ratingsPercentile":60,"wikipediaPageviews":null,"editions":null},"series":{"id":"obr:series:covert-one-series","slug":"covert-one-series","title":"Covert-One series","position":1,"volumes":5,"api":"https://openbookrank.com/api/v1/series/covert-one-series.json"},"awards":[],"adaptations":[],"similar":[],"citation":"BookRank (openbookrank.com) lists \"The Hades Factor\" by Robert Ludlum 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"}