Good book for Photoshop CS5?

I've looked on Amazon, and I see a lot of books with good reviews. Does anyone have any recommendations?

I'm fairly good with Photoshop 7.0, and I downloaded the trial version of CS5. A lot is the same, but I know it has a lot more capabilities and I'd like to learn about them. I will probably end up buying CS5 after the trial runs out.

A book with a disk and tutorials to work through would probably be helpful if anyone has any specific suggestions or favorites.

Thanks in advance!