IMPORTANT: the following instructions are only applicable for books in the MOBI format. Additionally, we do not recommend Kindle applications, such as those hosted on iOS, Android, or Fire devices, due to their handling of footnotes.
Easy Method: Using Prismatext's Kindle Book Delivery service
The simplest way to add a Prismatext book to your Kindle is by using the Connect Your Kindle to Prismatext. After you've made a purchase, you'll be able to send your book directly to your Kindle using your Send-to-Kindle address.