There's a huge world of crocheting out there for you, from scarves, to doilies, to shawls! The possibilities are positively endless! You can find a lot of free patterns and information online. Check out these sites:
A great book is The Happy Hooker by Debbie Stoller. She's the wonderful lady that brought you Stitch 'N Bitch: A Knitter's Handbook and Stitch N' Bitch Nation.
Also, check out some related stuff from gURL: