book.json

{
        "links": {
                "sidebar": {
                        "Github": "https://github.com/jeromeetienne/ar.js"
                }
        },
        "plugins": [
                "edit-link",
                "github",
                "anchorjs"
        ],
        "pluginsConfig": {
                "edit-link": {
                        "base": "https://github.com/jeromeetienne/ar.js/tree/master/docs/",
                        "label": "Edit This Page"
                },
                "github": {
                        "url": "https://github.com/jeromeetienne/ar.js/"
                }
        },
        "theme-default": {
                "styles": {
                        "website": "gitbook/gitbook.css"
                }
        }    
}