11. Export your ePub file  In the Book panel, open the context menu then select Export Book to EPUB. From the General tab ensure Include Document Metadata is selected. If you are publishing the book yourself, enter your name as the Publisher Entry and if you have an ISBN number enter this as the Unique Identifier.

12. Format images  Click the Images tab. Ensure there is a tick next to Formatted and Image Conversion is set to Automatic. This will allow the application to create ebook-ready images for your files. You can help by ensuring all images are RGB rather than CMYK. From the Contents tab select XHTML as the ebook format. 

13. Start the export  Click the Export button and your ePub file will saved to your desktop. If you have Adobe Digital Editions (a free download is at www.adobe.com/products/digitaleditions) you can view the file from your desktop before sending it to your iPad. This will allow you to make tweaks before submitting it for commercial distribution.

 Drag the finished ebook to iTunes. Plug in your iPad then synchronise changes. This will send the ebook to your iPad. Open iBooks and the book will be waiting. Open the file to confirm everything appears as expected. The boxout below will provide details on one way to sell it.