I have hundreds of books which fill multiple bookshelves (I've even read most of them) like some sort of trophy case for my intelligence. There are only a handful I have picked up more than once (except to move), and the only ones I pick up on a regular basis are cookbooks. Different books lend themselves to different formats and purchasing options. I buy tech books in electronic format, novels on my Kindle, and cookbooks I absolutely have to pick up and thumb through before buying a physical copy. It's time for the big bookcase to go, replaced with a small bookcase, a kindle, and a hard drive.
How do you read the tech books? I've purchased two books, one on Stripes and the other JavaScript: The Good Parts. I haven't started the JavaScript book on my Kobo, but the Stripes book fails all the time. It freezes the reader. But even when it doesn't, I find it hard to reference the material. I want to jump to a certain page, but find the jump to feature slow and tedious, especially when I don't know the exact page.