{"id":"obr:work:caps-for-sale","slug":"caps-for-sale","url":"https://openbookrank.com/en/book/caps-for-sale","urls":{"en":"https://openbookrank.com/en/book/caps-for-sale"},"title":"Caps for Sale","titles":{"en":"Caps for Sale","nl":"Caps for Sale","sv":"Mössor till salu","zh":"卖帽子"},"author":{"id":"obr:author:esphyr-slobodkina","name":"Esphyr Slobodkina","api":"https://openbookrank.com/api/v1/authors/esphyr-slobodkina.json"},"year":1940,"pages":43,"originalLanguage":"en","identifiers":{"wikidata":"Q5036333","openLibrary":"OL278245W","isbn13":"9780590335300","isbns":["9780590335300"],"isbnByLanguage":{"en":"9780590335300"},"googleBooks":null,"hardcover":"caps-for-sale","amazon":{"en":"0590335308"}},"score":{"value":8.18,"scale":10,"ratings":84,"confidence":0.364,"rawAverage":8.05,"method":"bayesian-weighted-average","priorWeight":147,"minRatings":50,"methodology":"https://openbookrank.com/en/methodology"},"sources":[{"id":"openlibrary","name":"Open Library","average":8,"ratings":18,"weight":0.214},{"id":"hardcover","name":"Hardcover","average":8.06,"ratings":66,"weight":0.786}],"ranks":[{"category":"picture-books","name":"Picture books","rank":12,"url":"https://openbookrank.com/en/ranking/picture-books","api":"https://openbookrank.com/api/v1/rankings/picture-books.json"}],"popularity":{"ratingsPercentile":74,"wikipediaPageviews":25740,"editions":18},"series":{"id":"obr:series:caps-for-sale","slug":"caps-for-sale","title":"Caps for Sale","position":1,"volumes":3,"api":"https://openbookrank.com/api/v1/series/caps-for-sale.json"},"awards":[],"adaptations":[],"similar":[{"id":"obr:work:tikki-tikki-tembo","title":"Tikki Tikki Tembo","author":"Arlene Mosel","score":8.18,"api":"https://openbookrank.com/api/v1/books/tikki-tikki-tembo.json"},{"id":"obr:work:harold-and-the-purple-crayon","title":"Harold and the Purple Crayon","author":"Crockett Johnson","score":8.16,"api":"https://openbookrank.com/api/v1/books/harold-and-the-purple-crayon.json"},{"id":"obr:work:curious-george","title":"Curious George","author":"H. A. Rey","score":8.12,"api":"https://openbookrank.com/api/v1/books/curious-george.json"},{"id":"obr:work:yertle-the-turtle","title":"Yertle the Turtle and Other Stories","author":"Dr. Seuss","score":8.1,"api":"https://openbookrank.com/api/v1/books/yertle-the-turtle.json"},{"id":"obr:work:the-very-hungry-caterpillar","title":"The Very Hungry Caterpillar","author":"Eric Carle","score":8.29,"api":"https://openbookrank.com/api/v1/books/the-very-hungry-caterpillar.json"},{"id":"obr:work:little-bear","title":"Little Bear","author":"Else Holmelund Minarik","score":8.06,"api":"https://openbookrank.com/api/v1/books/little-bear.json"}],"citation":"According to BookRank (openbookrank.com), \"Caps for Sale\" by Esphyr Slobodkina scores 8.18/10 from 84 reader ratings, #12 in Picture books (snapshot 2026-10-28).","snapshot":"2026-10-28","license":"CC-BY-4.0"}