books.google.bg - "John Skylitzes' extraordinary Middle Byzantine chronicle covers the reigns of the Byzantine emperors from the death of Nicephorus I in 811 to the deposition of Michael VI in 1057, and provides the only surviving continuous narrative of the late tenth and early eleventh centuries. A high official living...http://books.google.bg/books/about/John_Skylitzes_A_Synopsis_of_Byzantine_H.html?hl=bg&id=vGE8Xq832A0C&utm_source=gb-gplus-shareJohn Skylitzes: A Synopsis of Byzantine History, 811-1057
