title: The Thirteenth Tribe: The Khazar Empire and Its Heritage
author:  Arthur Koestler 
description: In the book, Koestler advances the thesis that Ashkenazi Jews are not descended from the historical Israelites of antiquity, but from Khazars, a Turkic people originating in and populating an empire north of and between the Black Sea and Caspian Sea.
zlib_text: Khazaria in the Ninth and Tenth Centuries
  
  The titles published in this series are listed at brill.com/ecee
  East Central and Eastern Europe 
  in the Middle Ages, 450–1450
  Edited by
  Florin Curta
  VOLUME 30
  
  Khazaria in the Ninth and Tenth 
  Centuries
  By
  Boris Zhivkov
  Translated by
  Daria Manova
  LEIDEN | BOSTON
  
  Cover illustration: Figures from a bone vessel from the region of Saltovo-Mayatskoe, Khazar khaganate, 
  Local History Museum Slavyansk, Ukraine © Valentina Flerova.
  Library of Congress Cataloging-in-Publication Data
  Zhivkov, Boris.
   [Khazariia prez IX i X vek. English]
   Khazaria in the Ninth and Tenth centuries / by Boris Zhivkov ; translated by Daria Manova.
    pages cm. — (East Central and Eastern Europe in the Middle ages, 450-1450, ISSN 1872-8103; volume 30)
   Includes bibliographical references and index.
   ISBN 978-90-04-29307-6 (hardback : acid-free paper) — ISBN 978-90-04-29448-6 (e-book) 1. Khazars—
  History. 2. Khazars—History—Sources. 3. Khazars—Antiquities. 4. Russia—History—