Training for Speed is great. I was worried about the e-book format also, but it's not like I travel so much that I have to have a hard copy anyway so it turned out just fine. The book itself is an outline of his system (obviously) but it's geared toward sprint specialists. It might be the perfect book for you, but it really depends on your goals.
Honestly, you can get a LOT of what's in Thib's books on T-Nation by reading his atricles, though Theory and Application was a great read. I haven't read the Little Black Book.