PubHTML5 allows you to add new pages to your publications including the blank page, page from PDF and template page. In addition, you are also allowed to reorder the pages and delete the pages as well.
Step1. Run PubHTML5 desktop client to import PDF file.
Step2. Hit the "Animation Editor" button to go to the editing interface.
Step3. Click the "Cross" icon to add new page. Choose the "Add Page from PDF" to add a new page from external PDF document.
Step4. Finally when you go to Insert PDF Pages interface, you can customize the page range, page quality and so on. After finishing editing, please don't forget to click "Insert" button to save the change.