Click on "NewBook" in the shelf window click on the title to name it. Doule click to open it. Now click on the plus button to add a new page and name it. Do this again for adding other pages.
Drag your Webpages by dragging the URL of the webpage from your browser to the desired Page and drop it. Repeat this with other webpages of your choice. You can also add notes or drag screenshots of websites to a desired page.
Create Links to files and more by clicking on the Link-button. Click on the links to open them up in your web browser like Safari.