The text you are referring to is the book by noted crystal authority Judy Hall .
The book explores how you can "tap into the healing energy" of the world's most mysterious and sacred locations from anywhere in the world by using specific crystals as "keys" or "travel agents" for your imagination. Core Concept: "Armchair" Sacred Travel
Use to instill "unshakable inner peace" and connect with ancestors. Mount Shasta California, USA High-vibrational spiritual enlightenment and evolution. Sedona Arizona, USA Access powerful vortex energy for grounding and healing. Practical Techniques Mentioned
: Use specially selected stones to attune to a site's unique resonance.
Hall posits that you do not need to physically travel to inhospitable or distant sites to experience their power. Instead, you can use crystals to:
: Connect to "dragon lines" (ley lines) and "crystal bones" that Hall suggests underpin the planet's energy grid.