‘Medieval Gnostics: Cathar Caves‘* by Judith Mann, has just been published as a Kindle eBook at http://amzn.com/dp/B00BALIOYM.
Medieval Gnostics:The Cathar Caves, explores the sacred caves of the Sabarthez used by medieval gnostic Cathars for ceremonial purposes. Easy-to-understand. Photos, maps, illustrations.
*Excerpted from the paperback edition of ‘The Trail of Gnosis‘