{"id":"obr:work:the-opal-deception","slug":"the-opal-deception","url":"https://openbookrank.com/en/book/the-opal-deception","urls":{"en":"https://openbookrank.com/en/book/the-opal-deception","nl":"https://openbookrank.com/nl/boek/the-opal-deception"},"title":"The Opal Deception","titles":{"en":"The Opal Deception","pl":"Fortel Wróżki","de":"Die Rache","es":"La venganza de Opal","fr":"Opération Opale","it":"L'inganno di Opal","pt":"A Vingança de Opala","nl":"Het bedrog van Opal"},"author":{"id":"obr:author:eoin-colfer","name":"Eoin Colfer","api":"https://openbookrank.com/api/v1/authors/eoin-colfer.json"},"year":2005,"pages":352,"originalLanguage":"en","identifiers":{"wikidata":null,"openLibrary":"OL5725975W","isbn13":"9780141806044","isbns":["9780141806044","9782070524945","9782070613830","9789050006699","9788374141826","9788484412472"],"isbnByLanguage":{"en":"9780141806044","fr":"9782070613830","nl":"9789050006699","pl":"9788374141826","es":"9788484412472"},"googleBooks":"bLW9AwAAQBAJ","hardcover":"the-opal-deception-2005","amazon":{"en":"0141806044","fr":"2070613836","nl":"9050006698","pl":"8374141824","es":"8484412474"}},"score":{"value":7.83,"scale":10,"ratings":428,"confidence":0.744,"rawAverage":7.84,"method":"bayesian-weighted-average","priorWeight":147,"minRatings":50,"methodology":"https://openbookrank.com/en/methodology"},"sources":[{"id":"openlibrary","name":"Open Library","average":8.2,"ratings":20,"weight":0.047},{"id":"hardcover","name":"Hardcover","average":7.82,"ratings":408,"weight":0.953}],"ranks":[{"category":"middle-grade","name":"Middle grade","rank":104,"url":"https://openbookrank.com/en/ranking/middle-grade","api":"https://openbookrank.com/api/v1/rankings/middle-grade.json"},{"category":"young-adult","name":"Young adult","rank":213,"url":"https://openbookrank.com/en/ranking/young-adult","api":"https://openbookrank.com/api/v1/rankings/young-adult.json"}],"popularity":{"ratingsPercentile":92,"wikipediaPageviews":0,"editions":46},"series":null,"awards":[],"adaptations":[],"similar":[{"id":"obr:work:dodger","title":"Dodger","author":"Terry Pratchett","score":7.8,"api":"https://openbookrank.com/api/v1/books/dodger.json"},{"id":"obr:work:camp-half-blood-confidential","title":"Camp Half-Blood Confidential","author":"Rick Riordan","score":7.91,"api":"https://openbookrank.com/api/v1/books/camp-half-blood-confidential.json"},{"id":"obr:work:always-and-forever-lara-jean","title":"Always and Forever, Lara Jean","author":"Jenny Han","score":7.75,"api":"https://openbookrank.com/api/v1/books/always-and-forever-lara-jean.json"},{"id":"obr:work:unwind","title":"UnWind","author":"Neal Shusterman","score":7.97,"api":"https://openbookrank.com/api/v1/books/unwind.json"},{"id":"obr:work:the-demigod-files","title":"The Demigod Files","author":"Rick Riordan","score":7.68,"api":"https://openbookrank.com/api/v1/books/the-demigod-files.json"},{"id":"obr:work:wrath-of-the-triple-goddess","title":"Wrath of the Triple Goddess","author":"Rick Riordan","score":8,"api":"https://openbookrank.com/api/v1/books/wrath-of-the-triple-goddess.json"}],"citation":"According to BookRank (openbookrank.com), \"The Opal Deception\" by Eoin Colfer scores 7.83/10 from 428 reader ratings, #104 in Middle grade (snapshot 2026-10-28).","snapshot":"2026-10-28","license":"CC-BY-4.0"}