Book excerpt: The second volume in the Aromatica series builds on the fundamentals found in Volume 1: Principles and Profiles. This comprehensive clinical text delves further into the different profiles of essential oils and the proper applications for physiological and psychological functions as well as energetic and Chinese Medicines. Packed with charts depicting different functions and methods of administration, and an extensive catalogue of 40 new essential oil profiles, this is an indispensable guide for all complementary medicine practitioners.