Libiry supports 13 book data fields. Their names are configurable in the settings. For every book, you can mailtain them in Libiry’s Edit-screen.

FieldDescription
coverCover image URL or path
booktitleBook title
authorAuthor name
isbnISBN-10 or ISBN-13
publisherPublisher name
languageLanguage code (extra field)
seriesSeries name (extra field)
series_indexVolume number in series
ratingUser rating in quarter stars (0-10 internally, 0-5 displayed, f.e. 3.75)
tagsGenre/category tags
author sortAuthor last name, first name
publication datePublication year
pagesNumber of pages
translatorTranslator
illustratorIllustrator
descriptionBook summary or review
notesPersonal notes