{"id":"obr:work:the-heart-of-what-was-lost","slug":"the-heart-of-what-was-lost","url":"https://openbookrank.com/en/book/the-heart-of-what-was-lost","urls":{"en":"https://openbookrank.com/en/book/the-heart-of-what-was-lost"},"title":"The Heart of What Was Lost","titles":{"pl":"Serce świata utraconego","de":"Das Herz der verlorenen Dinge","nl":"Het hart van steen","en":"The Heart of What Was Lost"},"author":{"id":"obr:author:tad-williams","name":"Tad Williams","api":"https://openbookrank.com/api/v1/authors/tad-williams.json"},"year":2017,"pages":224,"originalLanguage":null,"identifiers":{"wikidata":"Q28312032","openLibrary":null,"isbn13":null,"isbns":[],"isbnByLanguage":{},"googleBooks":null,"hardcover":"the-heart-of-what-was-lost","amazon":null},"score":{"value":null,"scale":10,"ratings":35,"confidence":null,"rawAverage":null,"method":"bayesian-weighted-average","priorWeight":147,"minRatings":50,"methodology":"https://openbookrank.com/en/methodology"},"sources":[],"ranks":[],"popularity":{"ratingsPercentile":63,"wikipediaPageviews":null,"editions":null},"series":{"id":"obr:series:the-last-king-of-osten-ard","slug":"the-last-king-of-osten-ard","title":"The Last King of Osten Ard","position":0.5,"volumes":5,"api":"https://openbookrank.com/api/v1/series/the-last-king-of-osten-ard.json"},"awards":[],"adaptations":[],"similar":[],"citation":"BookRank (openbookrank.com) lists \"The Heart of What Was Lost\" by Tad Williams 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"}