Book by Theodoros Ziotas entitled: “Boules of Naoussa – From Tribal Initiation To Dionysian Worship”. Published in 2003 by “Theodoros Ziotas” publications. The book has white, medium-hard front and back covers. The front cover is occupied by an old black-and-white photograph depicting a male dancer in the traditional Boula costume leaning backwards while performing the dance called “Zalistos”, during the event.