The Thirteenth Tribe PaperbackThis original edition presents the provocative and widely debated thesis of Arthur Koestler, who argues that a significant portion of Ashkenazi Jewish ancestry may not trace directly back to the ancient Israelites of the Near East, but instead to the Khazarsa semi nomadic Turkic people who established a powerful empire between the Black Sea and the Caspian Sea. Koestler explores the historical account that the Khazar ruling elite, and possibly broader