As of today, Photographer’s Guide to the Fujifilm FinePix X100 became available for Kindle at Amazon.com and available for the Barnes & Noble Nook reader at bn.com. To purchase the Kindle version, please use this button:
Or, you can find the Nook version at bn.com using this link.
The book has been submitted to the iBookstore at Apple, and should become available there within a few more days.