- (Contemporary HistorySpeleology) IN THE BOWLS OF THE EARTH. 3 Volumes. Carla Boschetti Max Polo Renè Svetak Carlo Cavazzuti Giorgio Poniasky. Ferni. 1977. Hardcover. Good condition. Volume One: Beneath the Earth's Crust. Volume Two: The Mirror of Time. Volume Three: This Old Earth. pp. 253+251+249. Euro 16.99. Cod. 313396.ST13
