{"id":"obr:work:laffaire-tournesol","slug":"laffaire-tournesol","url":"https://openbookrank.com/en/book/laffaire-tournesol","urls":{"en":"https://openbookrank.com/en/book/laffaire-tournesol","pl":"https://openbookrank.com/pl/ksiazka/laffaire-tournesol","de":"https://openbookrank.com/de/buch/laffaire-tournesol","es":"https://openbookrank.com/es/libro/laffaire-tournesol","fr":"https://openbookrank.com/fr/livre/laffaire-tournesol","it":"https://openbookrank.com/it/libro/laffaire-tournesol","nl":"https://openbookrank.com/nl/boek/laffaire-tournesol","sv":"https://openbookrank.com/sv/bok/laffaire-tournesol","ja":"https://openbookrank.com/ja/hon/laffaire-tournesol","pt":"https://openbookrank.com/pt/livro/laffaire-tournesol","zh-hant":"https://openbookrank.com/zh-hant/tushu/laffaire-tournesol"},"title":"The Calculus Affair","titles":{"es":"El asunto Tornasol","fr":"L'Affaire Tournesol","sv":"Det hemliga vapnet","en":"The Calculus Affair","pl":"Afera Lakmusa","de":"Der Fall Bienlein","it":"L'affare Girasole","pt":null,"nl":"De zaak Zonnebloem","ja":"ビーカー教授事件","ko":"해바라기 사건","zh":"卡尔库鲁斯案件","zh-hant":"卡爾庫魯斯案件"},"author":{"id":"obr:author:herge","name":"Hergé","api":"https://openbookrank.com/api/v1/authors/herge.json"},"year":1956,"pages":62,"originalLanguage":"fr","identifiers":{"wikidata":"Q935984","openLibrary":"OL151054W","isbn13":"9781906587239","isbns":["9781906587239"],"isbnByLanguage":{"cy":"9781906587239"},"googleBooks":"yJbZPAAACAAJ","hardcover":null,"amazon":null},"score":{"value":null,"scale":10,"ratings":7,"confidence":null,"rawAverage":null,"method":"bayesian-weighted-average","priorWeight":147,"minRatings":50,"methodology":"https://openbookrank.com/en/methodology"},"sources":[],"ranks":[],"popularity":{"ratingsPercentile":48,"wikipediaPageviews":22032,"editions":31},"series":{"id":"obr:series:the-adventures-of-tintin","slug":"the-adventures-of-tintin","title":"The Adventures of Tintin","position":18,"volumes":24,"api":"https://openbookrank.com/api/v1/series/the-adventures-of-tintin.json"},"awards":[],"adaptations":[],"similar":[],"citation":"BookRank (openbookrank.com) lists \"The Calculus Affair\" by Hergé 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"}