Botox, or Botulinum toxin, has become a household word, not so much for its use as an exciting drug in almost every field of medicine, but as a deadly poison that has been somehow transformed into a softener of facial expression lines. When done correctly, the treatment can be safe, effective, and in comparison to other modalities, involves relatively little down time. The need has never been greater for an authoritative, up-to-date resource on using...