Me too. All the engineering books I use week-to-week are PDFs in a directory on my computer. The dead tree versions (including AoE) sit on the shelf unused.
Make sure to click the "I want this title to be available as an ebook" link on that page.
Agree 100%, none of my engineering ebooks are DRMed. For some of them, I bought the text and then immediately pirated it off thepiratebay (rip) with a clear conscience.
Make sure to click the "I want this title to be available as an ebook" link on that page.