{"id":"obr:work:the-marco-effect","slug":"the-marco-effect","url":"https://openbookrank.com/en/book/the-marco-effect","urls":{"en":"https://openbookrank.com/en/book/the-marco-effect"},"title":"The Marco Effect","titles":{"de":"Erwartung","it":"L'effetto farfalla","nl":"Het Marco-effect","sv":"Marcoeffekten","en":"The Marco Effect","fr":"L'effet papillon"},"author":{"id":"obr:author:jussi-adler-olsen","name":"Jussi Adler-Olsen","api":"https://openbookrank.com/api/v1/authors/jussi-adler-olsen.json"},"year":null,"pages":535,"originalLanguage":"da","identifiers":{"wikidata":"Q18552230","openLibrary":"OL24191987W","isbn13":"9780698161368","isbns":["9780698161368"],"isbnByLanguage":{},"googleBooks":"macTAwAAQBAJ","hardcover":"the-marco-effect","amazon":null},"score":{"value":null,"scale":10,"ratings":48,"confidence":null,"rawAverage":null,"method":"bayesian-weighted-average","priorWeight":147,"minRatings":50,"methodology":"https://openbookrank.com/en/methodology"},"sources":[],"ranks":[],"popularity":{"ratingsPercentile":66,"wikipediaPageviews":0,"editions":0},"series":{"id":"obr:series:department-q","slug":"department-q","title":"Department Q","position":5,"volumes":9,"api":"https://openbookrank.com/api/v1/series/department-q.json"},"awards":[],"adaptations":[],"similar":[],"citation":"BookRank (openbookrank.com) lists \"The Marco Effect\" by Jussi Adler-Olsen 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"}