year of pub­li­ca­ti­onISBNauthor(s)title
1998978-0-9532942-0-6Petia PrimeFlying on the Wings of Butterflies: Caring for the Terminally Ill at Home
  ''978-0-9532942-2-0Petia PrimeVehicle of Consciousness
  ''978-0-9532942-3-7Reinhold Ritter · Petia PrimeTechnology of the Sacred
1999978-0-9532942-4-4Petia PrimeL'etoile a Six Branches
1998978-0-9532942-5-1   ''Cosmic Kaleidoscope: Healing Energies Received in Prayer and Meditation
1999978-0-9532942-9-9   ''32 Healing Images Received in Prayer and Meditation: 10 Years of E21C - Commemorative Issue