Marjorie Mandelstam Balzer. The Tenacity of Ethnicity: A Siberian Saga in Global Perspective. Princeton, NJ: Princeton University Press, 1999. xiv, 317 pp. $19.95 (paper). Andrei V. Golovnev and Gail Osherenko. Siberian Survival: The Nenets and Their Story. Ithaca, NY: Cornell University Press, 1999. xiii, 170 pp. $29.95.