Well, it's almost 18 years old, I don't know if I'd trust it, although random glances show good, timeless advice (but what would I know, I keep my money in my mattress).
A good introduction to all kinds of investing
Very easy to understand.
This is a good book for understanding investments. Please don't go by the picture, that is for a different book. I'm not sure how Personal Finance got posted in place of Investing for Dummies.