"Crystals are a ""gentle,"" non-invasive system of holistic healing with no side effects. In this symptom-based A-Z ""directory,"" the author of the best-selling The Crystal Bible helps you identify exactly the right crystal for your ""needs,"" whether for healing of the ""mind,"" ""body,"" psyche or ""spirit,"" and points you to useful stones for balancing the chakras and improving vitality and well-being. Listing over ""1,200"" ""symptoms,"" it is a practical first-aid guide based on sound crystal healing principles that have been practiced for millennia."