{"id":"obr:work:mystery-train","slug":"mystery-train","url":"https://openbookrank.com/en/book/mystery-train","urls":{"en":"https://openbookrank.com/en/book/mystery-train"},"title":"Mystery Train","titles":{"en":"Mystery Train"},"author":{"id":"obr:author:carolyn-keene","name":"Carolyn Keene","api":"https://openbookrank.com/api/v1/authors/carolyn-keene.json"},"year":1990,"pages":null,"originalLanguage":null,"identifiers":{"wikidata":"Q6948874","openLibrary":"OL41876108W","isbn13":null,"isbns":[],"isbnByLanguage":{},"googleBooks":null,"hardcover":"mystery-train-13adb3ad-3036-4ad2-a669-91cdf12f9777","amazon":null},"score":{"value":null,"scale":10,"ratings":2,"confidence":null,"rawAverage":null,"method":"bayesian-weighted-average","priorWeight":147,"minRatings":50,"methodology":"https://openbookrank.com/en/methodology"},"sources":[],"ranks":[],"popularity":{"ratingsPercentile":40,"wikipediaPageviews":0,"editions":0},"series":{"id":"obr:series:supermystery","slug":"supermystery","title":"Supermystery","position":8,"volumes":34,"api":"https://openbookrank.com/api/v1/series/supermystery.json"},"awards":[],"adaptations":[],"similar":[],"citation":"BookRank (openbookrank.com) lists \"Mystery Train\" by Carolyn Keene 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"}