{"id":"obr:work:grip-of-the-shadow-plague","slug":"grip-of-the-shadow-plague","url":"https://openbookrank.com/en/book/grip-of-the-shadow-plague","urls":{"en":"https://openbookrank.com/en/book/grip-of-the-shadow-plague","pl":"https://openbookrank.com/pl/ksiazka/grip-of-the-shadow-plague","es":"https://openbookrank.com/es/libro/grip-of-the-shadow-plague","fr":"https://openbookrank.com/fr/livre/grip-of-the-shadow-plague"},"title":"Fablehaven: Grip of the Shadow Plague","titles":{"en":"Fablehaven: Grip of the Shadow Plague","pl":"Baśniobór: Plaga cieni","de":"Die Schattenplage","es":"La plaga de la sombra","fr":"Le Fléau de l'ombre","it":"I cavalieri dell'alba","pt":"Nas Garras da Praga das Sombras","sv":"I skuggornas makt"},"author":{"id":"obr:author:brandon-mull","name":"Brandon Mull","api":"https://openbookrank.com/api/v1/authors/brandon-mull.json"},"year":2008,"pages":464,"originalLanguage":"en","identifiers":{"wikidata":"Q5427929","openLibrary":"OL15597926W","isbn13":"9781484447130","isbns":["9781484447130","9781439590607","9788377478615","9788499188751"],"isbnByLanguage":{"en":"9781484447130","pl":"9788377478615","es":"9788499188751"},"googleBooks":"aWMoOY02MEoC","hardcover":"grip-of-the-shadow-plague","amazon":{"en":"1484447131","pl":"8377478617","es":"8499188753"}},"score":{"value":8.16,"scale":10,"ratings":174,"confidence":0.542,"rawAverage":8.34,"method":"bayesian-weighted-average","priorWeight":147,"minRatings":50,"methodology":"https://openbookrank.com/en/methodology"},"sources":[{"id":"openlibrary","name":"Open Library","average":8.89,"ratings":9,"weight":0.052},{"id":"google","name":"Google Books","average":9,"ratings":22,"weight":0.126},{"id":"hardcover","name":"Hardcover","average":8.2,"ratings":143,"weight":0.822}],"ranks":[{"category":"middle-grade","name":"Middle grade","rank":18,"url":"https://openbookrank.com/en/ranking/middle-grade","api":"https://openbookrank.com/api/v1/rankings/middle-grade.json"},{"category":"adventure","name":"Adventure","rank":20,"url":"https://openbookrank.com/en/ranking/adventure","api":"https://openbookrank.com/api/v1/rankings/adventure.json"},{"category":"fantasy","name":"Fantasy","rank":335,"url":"https://openbookrank.com/en/ranking/fantasy","api":"https://openbookrank.com/api/v1/rankings/fantasy.json"}],"popularity":{"ratingsPercentile":84,"wikipediaPageviews":3282,"editions":0},"series":{"id":"obr:series:fablehaven","slug":"fablehaven","title":"Fablehaven","position":null,"volumes":5,"api":"https://openbookrank.com/api/v1/series/fablehaven.json"},"awards":[],"adaptations":[],"similar":[{"id":"obr:work:a-world-without-heroes","title":"Beyonders: A World Without Heroes","author":"Brandon Mull","score":8,"api":"https://openbookrank.com/api/v1/books/a-world-without-heroes.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"},{"id":"obr:work:the-titans-curse","title":"The Titan's Curse","author":"Rick Riordan","score":8.35,"api":"https://openbookrank.com/api/v1/books/the-titans-curse.json"},{"id":"obr:work:the-blood-of-olympus","title":"The Blood of Olympus","author":"Rick Riordan","score":8.37,"api":"https://openbookrank.com/api/v1/books/the-blood-of-olympus.json"},{"id":"obr:work:the-son-of-neptune-7e442","title":"The Son of Neptune","author":"Rick Riordan","score":8.38,"api":"https://openbookrank.com/api/v1/books/the-son-of-neptune-7e442.json"},{"id":"obr:work:percy-jacksons-greek-gods","title":"Percy Jackson's Greek Gods","author":"Rick Riordan","score":8.39,"api":"https://openbookrank.com/api/v1/books/percy-jacksons-greek-gods.json"}],"citation":"According to BookRank (openbookrank.com), \"Fablehaven: Grip of the Shadow Plague\" by Brandon Mull scores 8.16/10 from 174 reader ratings, #18 in Middle grade (snapshot 2026-10-28).","snapshot":"2026-10-28","license":"CC-BY-4.0"}