[Book Review] Johannes (Hans) Thurn (ed.), loannis Malalae Chronographia. Corpus Fontium Historiae Byzantinae/ series Berolinensis, no. 5 (Berlin-New York: Walter de Gruyter. 2000), pp. 30*+555, pla : a new critical edition of a major source for the history of the Southeastern Mediterrannean world in late antiquity