{"id":"obr:work:13-little-blue-envelopes","slug":"13-little-blue-envelopes","url":"https://openbookrank.com/en/book/13-little-blue-envelopes","urls":{"en":"https://openbookrank.com/en/book/13-little-blue-envelopes"},"title":"13 Little Blue Envelopes","titles":{"en":"13 Little Blue Envelopes","es":"Trece sobres azules","fr":"13 petites enveloppes bleues","pt":"13 Envelopes Azuis","nl":"13 enveloppen & 1 rugzak"},"author":{"id":"obr:author:maureen-johnson","name":"Maureen Johnson","api":"https://openbookrank.com/api/v1/authors/maureen-johnson.json"},"year":2005,"pages":338,"originalLanguage":"en","identifiers":{"wikidata":null,"openLibrary":"OL5706117W","isbn13":"9780007372553","isbns":["9780007372553","9782070574674","9788416363650"],"isbnByLanguage":{"en":"9780007372553","fr":"9782070574674","es":"9788416363650"},"googleBooks":"ly8wdms77FYC","hardcover":"13-little-blue-envelopes","amazon":{"en":"0007372558","fr":"2070574679","es":"841636365X"}},"score":{"value":7.36,"scale":10,"ratings":110,"confidence":0.428,"rawAverage":6.75,"method":"bayesian-weighted-average","priorWeight":147,"minRatings":50,"methodology":"https://openbookrank.com/en/methodology"},"sources":[{"id":"hardcover","name":"Hardcover","average":6.75,"ratings":110,"weight":1}],"ranks":[{"category":"young-adult","name":"Young adult","rank":371,"url":"https://openbookrank.com/en/ranking/young-adult","api":"https://openbookrank.com/api/v1/rankings/young-adult.json"}],"popularity":{"ratingsPercentile":78,"wikipediaPageviews":0,"editions":20},"series":null,"awards":[],"adaptations":[],"similar":[{"id":"obr:work:glass-sword","title":"Glass Sword","author":"Victoria Aveyard","score":7.36,"api":"https://openbookrank.com/api/v1/books/glass-sword.json"},{"id":"obr:work:siege-and-storm","title":"Siege and Storm","author":"Leigh Bardugo","score":7.35,"api":"https://openbookrank.com/api/v1/books/siege-and-storm.json"},{"id":"obr:work:hunted","title":"Hunted","author":"Kristin Cast","score":7.38,"api":"https://openbookrank.com/api/v1/books/hunted.json"},{"id":"obr:work:crescendo","title":"Crescendo","author":"Becca Fitzpatrick","score":7.34,"api":"https://openbookrank.com/api/v1/books/crescendo.json"},{"id":"obr:work:flawless","title":"Flawless","author":"Sara Shepard","score":7.34,"api":"https://openbookrank.com/api/v1/books/flawless.json"},{"id":"obr:work:betrayed","title":"Betrayed","author":"Kristin Cast","score":7.39,"api":"https://openbookrank.com/api/v1/books/betrayed.json"}],"citation":"According to BookRank (openbookrank.com), \"13 Little Blue Envelopes\" by Maureen Johnson scores 7.36/10 from 110 reader ratings, #371 in Young adult (snapshot 2026-10-28).","snapshot":"2026-10-28","license":"CC-BY-4.0"}