In this full-color guide to crystals for psychic self-defense, crystal healing teacher Nicholas Pearson explores how to partner with the mineral kingdom for protection, cleansing, and countermagick. He begins by introducing common sources of psychic harm and explains best practices for discerning the symptoms of psychic attack and harmful energies. Looking at spiritual hygiene and the energy field, he shares several cleansing and purifying techniques, including magickal baths, selenite sweeps, aura scrubbing, and smoke cleansing, as well as how to cleanse, program, charge, and activate crystals. He also looks at special techniques aimed at strengthening the boundaries of empaths and highly sensitive people.