This is an introduction to the popular use of crystals and gems in healing, and to the role of stones in linking people more strongly to the energies of the solar system and the cosmos. The author argues that the energies inherent in gems and crystals, and their ability to transmit energy, make them beneficial in healing. She lists the particular properties of specific stones and the ailments most susceptible to crystal healing, and explains how to use them, which are related to the various signs of the zodiac, and why this is significant.