Horrible news. In my experience tech books tend to be horribly formatted in ePUB and MOBI format. They don't have to be, but they usually are. When I have boug

Horrible news. In my experience tech books tend to be horribly formatted in ePUB and MOBI format. They don't have to be, but they usually are. When I have bought from O'Reilly in the past, I have always defaulted to PDF. Now, not only does that option go away, everything will be DRM going forward.