New York: Cosmopolitan, 1929. Original tan cloth lettered in black. 254 pp. Short abrasion to lower edge of front cover, slight sunning to the green top page edges; bit of yellowing to endpapers, half-title page, page edges; else fine. Light blue-green jacket has spine and margins of panels sunned to tan; white spine lettering faint; some internal tape repairs; fair. From the Stuart Teitler collection of Lost Race Fiction. Prehistoric novel, including a giant dinosaur. Natan Mendelevich Bogoraz, a.k.a. Vladimir Germanovich Bogoraz, a.k.a. Waldemar Bogoras, was a famous Russian revolutionary, anthropologist, and author, very popular in Russia under the pseudonym "N.A. Tan". ; Fair