The first in a series of five volumes of inventories of 'First Neolithic Sites' in Europe.Contents of volume I: 1) Early Neolithic Cultures on the territory of Bulgaria (Yavor D. Boyadzhiev); 2) Lithic production of the earliest Neolithic on the territory of Bulgaria (Ivan Gatsov and Petranka Nedelcheva); 3) Flint raw materials in Bulgaria (Chavdar Nachev); 4) Plant economy and vegetation during the Early Neolithic of Bulgaria (Elena Marinova); 5) Catalogue of the Early Neolithic settlements on the territory of Bulgaria (Ekaterina Stamboliyska and Zhivko Uzunov).