1. You can use install it via NPM and save it to package.json:
$ npm install gitbook-plugin-presentation --save
2. add the plugin entry presentation to book.json config like below
// book.json{"gitbook": "2.6.6","title": "My Awesome Book","description": "This is such a great book!","isbn": "978-3-16-148410-0","language": "en","plugins": ["addcssjs","jsbin","expandable-chapters","presentation"],"pluginsConfig": {"addcssjs": {"css": ["css/bootstrap.css","css/main.css"]}}}
Publish/Unpublish npm package
// create a directory with package.json inside it
npm publish
// to unpublish
npm unpublish [email protected]