The practice of aromatherapy has its origins in antiquity with the use of infused aromatic oils. Distilled essential oils have been employed in folk medicine since the invention of the disill in the 11th century. Today aromatic oils are part of modern life-style. Essential oils are readily available and can be used in many different ways. This guide provides a comprehensive, practical overview which helps to get the most benefit from aromatic botanical oils in the home and garden.