The first book of the Tao Te Ching is the Book of Tao which is comprised of 37 poems expressing the Divine.
The second book of the Tao Te Ching is the Book of Te which is comprised of 44 poems expressing the Divine.
Taoism includes basic principles or "theories" regarding the body, diet, breathing and physical exercises, uses of herbs, philosophical inquiry and, of course, meditation. The Taoist is in a constant process of transformation, knowing that balance is an ongoing process of coming into closer alignment with the "natural order"