I have the book referenced above, it's a good book. I just went up and looked, and I have several slips of paper in it as bookmarks, which means that I've used it a good amount. It's companion book, Prescription for Nutritional Healing, its also excellent.
The above will list herbs by their properties (warming, neutral, cooling, etc.) and also the meridians or organ system that are affected. For example, when I was looking for a particular herb for Max, I needed to find something that was, for example, cooling and affected two particular meridians, and there was *exactly one* herb that did that, after I went through every one in the book!!
For a general overview, the link above (the Balch book) is probably the best book to have.