The Encyclopedia of Crystals, New Edition The Encyclopedia of Crystals, New Edition
2017
The Crystal Bible Volume 1 The Crystal Bible Volume 1
2012
The Crystal Bible, Volume 3 The Crystal Bible, Volume 3
2015
The Crystal Bible, Volume 2 The Crystal Bible, Volume 2
2015
21 Days to Work with Crystals 21 Days to Work with Crystals
2022
Crystals for Energy Protection Crystals for Energy Protection
2020