This is a new book which seems very interesting: Transitions to the Bronze Age. Interregional Interaction and Socio-Cultural Change in the Third Millennium BC Carpathian Basin and Neighbouring Regions, edited by Volker Heyd, Gabriella Kulcsár and Vajk Szeverényi.
See the contents here: http://www.academia.edu/5347200/Tran...Main_Series_30