Looking for an herb book?

I want an herb book that I could look up BOTH a sickness and see what herbs can help with it or look up an herb and see what it can be used for.

2015-09-25T06:10:49Z

I am looking for an herb book recommendation

?2015-09-24T22:29:55Z

"Ten years ago the government set out to test herbal and other alternative health remedies to find the ones that work. After spending $2.5 billion, the disappointing answer seems to be that almost none of them do.": http://www.nbcnews.com/id/31190909/ns/health-alternative_medicine/t/billion-spent-no-alternative-cures-found/#.VgTabdWqpBc

L. E. Gant2015-09-24T18:58:22Z

Most such books have an index...