Configuration

GitBook allows you to customize your book using a flexible configuration. These options are specified in a book.json file.

Variable	Description
`title`	Title of your book, default value is extracted from the README. On GitBook.com this field is pre-filled.
`description`	Description of your book, default value is extracted from the README. On GitBook.com this field is pre-filled.
`author`	Name of the author. On GitBook.com this field is pre-filled.
`isbn`	ISBN of the book
`language`	ISO code of the book's language, default value is `en`
`direction`	`rtl` or `ltr`, default value depends on the value of `language`
`gitbook`	SemVer condition to validate which GitBook version should be used
`plugins`	List of plugins to load, See the plugins section for more details
`pluginsConfig`	Configuration for plugins, See the plugins section for more details

Plugins and their configurations are specified in the book.json.