Sony Reader uses DRM-protected ePub ebooks. You can't transfer them into
Kindle, Apple
iPad, Android tablet or phone and many other devices.
Sony uses Adobe Digital Editions (ADE) DRM protection. To convert DRM-protected Sony Reasder Library ebook to other formats, you need to remove DRM first.
You don't need to be a hacker to crack the encryption of DRM protected ePub files using ADE DRM. It is very easy to remove DRM (Digital Rights Management) protection from ePub ebooks using Adobe Digital Editions DRM protection. Just download freeware
ebook DRM removal tools archive including DRM removal tools for ePub files. And try to use
Calibre DRM removal plug-ins first.
Then use Calibre to convert DRM-free ePub ebooks to MOBI for your
Kindle. You can also use DRM-free ePub ebooks on your
iPad,
Nook and many other devices.