[en] Crystals Beyond Beginners Llewellyn Worldwide Ltd.

[en] The Second Book of Crystal Spells Llewellyn Worldwide Ltd

[en] Gifts From The Stars Smashwords Edition

[en] High-Vibe Crystal Healing Llewellyn Worldwide

[en] Crystals for Karmic Healing Destiny Books

[en] Crystals for Beginners Llewellyn Publications