we love them! I had my sister buy me 6 and we only hung 2 due to our space and we also found that in order to pull books out you have to have a significant amount of space between them and she isn't that tall yet. And they are like 4 bucks a piece!
because this is a frequent sight at our house--now she can find books easily and her favorites are in easy access. And yes my 18 month old still fits in her Bumpo chair and loves to sit in it.
And when we build our dream house and have a family room like this