Trees are sacred beings, nurturing us with oxygen, food, material for shelter, and even medicines. Travel the world to examine how a multitude of cultures have formed deep and enduring bonds with trees, from the Celts, who developed a 13-month tree calendar, to the Ainu of Japan, who plant one whenever a child is born. Almost all believed these majestic gifts of nature possessed a special 'life force' and were even endowed with spirits. See what qualitites make a tree sacred, and find out which are considered 'cosmic', which serve as a 'home to the gods', which symbolize ancestral roots, and which represent fertility and transformation. What you discover will deepen your commitment to their protection, preservation, and propagation.