I stumbled across this book at the library, and am slowly working my way through it. It's a WONDERFUL read, great practical examples (they walk you through and give you the files you want to use their specific examples). I've learned a lot so far, and I'm only halfway though (I need to renew it for the 3rd time ) Anyhow, I'd be remiss if I didn't recommend it here.
I love Kelby's Digital Photography book, the library didn't have any of his on the shelf. I'll have to see if he has an Elements book.