{"id":"obr:work:anniversary","slug":"anniversary","url":"https://openbookrank.com/en/book/anniversary","urls":{"en":"https://openbookrank.com/en/book/anniversary","de":"https://openbookrank.com/de/buch/anniversary","es":"https://openbookrank.com/es/libro/anniversary","it":"https://openbookrank.com/it/libro/anniversary"},"title":"Anniversary","titles":{"it":"Anniversario","en":"Anniversary","nl":"Anniversary","es":"Aniversario","uk":"Річниця","zh":"周年纪念日","zh-hant":"週年紀念日","fr":"Anniversaire","de":"Das Souvenir"},"author":{"id":"obr:author:isaac-asimov","name":"Isaac Asimov","api":"https://openbookrank.com/api/v1/authors/isaac-asimov.json"},"year":1959,"pages":null,"originalLanguage":null,"identifiers":{"wikidata":"Q3618113","openLibrary":null,"isbn13":null,"isbns":[],"isbnByLanguage":{},"googleBooks":null,"hardcover":null,"amazon":null},"score":{"value":null,"scale":10,"ratings":0,"confidence":null,"rawAverage":null,"method":"bayesian-weighted-average","priorWeight":147,"minRatings":50,"methodology":"https://openbookrank.com/en/methodology"},"sources":[],"ranks":[],"popularity":{"ratingsPercentile":0,"wikipediaPageviews":null,"editions":null},"series":{"id":"obr:series:multivac","slug":"multivac","title":"Multivac","position":null,"volumes":15,"api":"https://openbookrank.com/api/v1/series/multivac.json"},"awards":[],"adaptations":[],"similar":[],"citation":"BookRank (openbookrank.com) lists \"Anniversary\" by Isaac Asimov 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"}