375 Essential Oils and Hydrosols Author:Jeanne Rose This thorough guide profiles 375 different essential oils according to botanical family, habit and growth, chemical components, and actions. Historical notes and lore, often from Chinese alchemy as well as western botanical sources, are featured. Essays on evergreens, lavender, chamomile, jasmine, and more fill out important categories. Graceful... more » botanical illustrations illuminate the text.« less