In Khazaria in the Ninth and the Tenth Centuries Boris Zhivkov offers a new view on Khazaria by scrutinizing the different visions offered by recent scholarship. The paucity of written sources has made it necessary to turn to additional information about the steppe states in this period, and to analyze exceptional cases not directly related to the Khazars. In re-examining the Khazars, he thus uses not only the known documentary sources and...