- Cărți electroniceThe Book of StonesRobert Simmons
- Cărți electroniceThe Pocket Book of StonesRobert Simmons
- Cărți electroniceThe Alchemy of StonesRobert Simmons
- Cărți electroniceStones of the New ConsciousnessRobert Simmons
- Cărți electroniceThe Book of MoldaviteRobert Simmons
- Cărți electroniceThe Other WithinDaniel Deardorff
- Cărți electroniceLibro de bolsillo de piedrasRobert Simmons