Ok, this site says you can download the book in following formats;
Sony Reader, PC, Mac, IPhone, Opus ereader, Blackberry or Cooler ereader in ePub and PDF.
https://www.cyberread.com/TheVoice/William-LK/id70337/
I'd love to get some feedback. And, of course, any reviews are always nice to hear. Hope this site is more user friendly.