4 ms·
1. Books were DRM free and in various formats. I could use the PDF in my computer and the epub in my ebook reader or tablet. 2. There were discounts when regis
by Oletros 9y ago
1. Books were DRM free and in various formats. I could use the PDF in my computer and the epub in my ebook reader or tablet.
2. There were discounts when registering the purchased printed book
3. There were discounts for newer editions of a book