Hi all,
Lately I have read lots of free ebooks. Most of them were in pdf format.
As I really enjoyed it, I was thinking about buying a smartphone, enabling me to read during transport (I need a new phone too

).
Yesterday I
bought an ebook for the first time. I was aware of some protected format like .lit or some encrypted pdf files, but I did not know about the adobe digital edition .ETD format.
For the time being all I tried to turn it in .pdf failed. So I am very disapointed since I planned to buy more books on this website (vault.com) in order to read them in my future smartphone in transports!
Please help me if there is any trick.
ps: I apologize for my weird english. It's not my mother tongue