At Smashwords you will be able to download the book in whichever format you require; from Kindle to PDF.
When you select to purchase you will be able to scroll down to the download options. The options are listed as well as which devices use those particular formats.
Enter the coupon code at the checkout and you will receive, "The Quest for the Black Dragon", for free.
The coupon will be generated when I reach 1800 followers on Twitter. Currently I have 1707 followers.
So head on over to @dedunlop to follow me and make it happen sooner!