I totally want this book! It's got patterns you can knit with a single skein of yarn. I always have stray skeins around left over from other projects (or stray skeins I found in the clearance bin and couldn't resist buying). Here's a review of this book.
Love this book. It's got great tips and instructions for beginners and a couple of patterns that I've been dying to try. Stitch 'n Bitch
I don't have this one but definitely covet it. It's probably too advanced for me, but a girl can dream, can't she? Kaffee Fassett