Let me save you the pain and the money.
Verkhoshansky is taking his author rights and coming out with an updated edition with up to 100 pages of new information.
Also, Supertraining could be more boring than reading an encylopedia. Lyle McDonald says all its good for is use as a doorstop. Supertraining is a very advanced and exhaustive book that serves more as a reference than anything.
If this is your first foray into exercise science, I'd start somewhere else. If you'd like any suggestions, just write what type of information you're interested in.