{"id":"obr:work:the-ionian-mission","slug":"the-ionian-mission","url":"https://openbookrank.com/en/book/the-ionian-mission","urls":{"en":"https://openbookrank.com/en/book/the-ionian-mission","fr":"https://openbookrank.com/fr/livre/the-ionian-mission","it":"https://openbookrank.com/it/libro/the-ionian-mission"},"title":"The Ionian Mission","titles":{"en":"The Ionian Mission","pl":"Jońska misja","de":"Die Inseln der Paschas","es":"Misión en Jonia","fr":"Mission en mer Ionienne","it":"Duello nel Mar Ionio","nl":"The Ionian Mission"},"author":{"id":"obr:author:patrick-obrian","name":"Patrick O'Brian","api":"https://openbookrank.com/api/v1/authors/patrick-obrian.json"},"year":1981,"pages":378,"originalLanguage":"en","identifiers":{"wikidata":"Q3716084","openLibrary":"OL8702047W","isbn13":"9780393037081","isbns":["9780393037081"],"isbnByLanguage":{"en":"9780393037081"},"googleBooks":null,"hardcover":"the-ionian-mission","amazon":{"en":"0393037088"}},"score":{"value":8.16,"scale":10,"ratings":51,"confidence":0.258,"rawAverage":8.61,"method":"bayesian-weighted-average","priorWeight":147,"minRatings":50,"methodology":"https://openbookrank.com/en/methodology"},"sources":[{"id":"openlibrary","name":"Open Library","average":8.44,"ratings":9,"weight":0.176},{"id":"hardcover","name":"Hardcover","average":8.64,"ratings":42,"weight":0.824}],"ranks":[{"category":"historical-fiction","name":"Historical fiction","rank":55,"url":"https://openbookrank.com/en/ranking/historical-fiction","api":"https://openbookrank.com/api/v1/rankings/historical-fiction.json"}],"popularity":{"ratingsPercentile":67,"wikipediaPageviews":11927,"editions":28},"series":{"id":"obr:series:aubrey-maturin-series","slug":"aubrey-maturin-series","title":"Aubrey-Maturin series","position":8,"volumes":21,"api":"https://openbookrank.com/api/v1/series/aubrey-maturin-series.json"},"awards":[],"adaptations":[],"similar":[{"id":"obr:work:mason-dixon","title":"Mason & Dixon","author":"Thomas Pynchon","score":8.17,"api":"https://openbookrank.com/api/v1/books/mason-dixon.json"},{"id":"obr:work:the-fortune-of-war","title":"The Fortune of War","author":"Patrick O'Brian","score":8.18,"api":"https://openbookrank.com/api/v1/books/the-fortune-of-war.json"},{"id":"obr:work:the-surgeons-mate","title":"The Surgeon's Mate","author":"Patrick O'Brian","score":8.19,"api":"https://openbookrank.com/api/v1/books/the-surgeons-mate.json"},{"id":"obr:work:the-system-of-the-world","title":"The System of the World","author":"Neal Stephenson","score":8.13,"api":"https://openbookrank.com/api/v1/books/the-system-of-the-world.json"},{"id":"obr:work:the-grass-crown","title":"The Grass Crown","author":"Colleen McCullough","score":8.13,"api":"https://openbookrank.com/api/v1/books/the-grass-crown.json"},{"id":"obr:work:the-confusion-volume-ii-of-the-baroque-cycle","title":"The Confusion","author":"Neal Stephenson","score":8.2,"api":"https://openbookrank.com/api/v1/books/the-confusion-volume-ii-of-the-baroque-cycle.json"}],"citation":"According to BookRank (openbookrank.com), \"The Ionian Mission\" by Patrick O'Brian scores 8.16/10 from 51 reader ratings, #55 in Historical fiction (snapshot 2026-10-28).","snapshot":"2026-10-28","license":"CC-BY-4.0"}