{"id":"obr:work:master-of-chaos","slug":"master-of-chaos","url":"https://openbookrank.com/en/book/master-of-chaos","urls":{"en":"https://openbookrank.com/en/book/master-of-chaos"},"title":"Master of Chaos","titles":{"en":"Master of Chaos","fr":"Le Sceptre noir"},"author":{"id":"obr:author:null","name":"Steve Jackson","api":"https://openbookrank.com/api/v1/authors/null.json"},"year":1990,"pages":240,"originalLanguage":null,"identifiers":{"wikidata":"Q16386920","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:fighting-fantasy","slug":"fighting-fantasy","title":"Fighting Fantasy","position":41,"volumes":47,"api":"https://openbookrank.com/api/v1/series/fighting-fantasy.json"},"awards":[],"adaptations":[],"similar":[],"citation":"BookRank (openbookrank.com) lists \"Master of Chaos\" by Steve Jackson 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"}