Learn Solaris online at:
http://www.sun.com/training/solc/

Just create an account and start learning. It saves time and most importantly some money. Everything is given from scratch, too good it is.

I am a Windows guy, now want to learn Solaris. I grappled a lot to find study material and then finally got it at the end. I found it good for beginners like me. So just wanted to share.