Instead, I found a shelf for $5 at Goodwill. It was black so I just primed and painted it green. The letters came from JoAnn's and I painted those also. (I think they came to $12 total without a coupon.) I put some old children's book illustrations in dollar store frames, and chose some books I especially liked (the little one was mine when I was a kid). Here's how it turned out:
Not exactly Pottery Barn, but not too bad for less than 20 bucks.
There are so many cute ways to display children's books. Here's the shelves my sister made out of rain gutters:
Aren't they cute???? You can find instructions here to make your own.