Walker, Gabrielle. Antarctica : an intimate portrait of the world's most mysterious continent / Gabrielle Walker. - Boston : Houghton Mifflin Harcourt Pub., c2013. - xxiv, 388 p. : maps ; 24 cm. Originally published: London : Bloomsbury, c2012. ISBN: 9780151015207 LCCN: 2012014248 Subjects--Geographic Terms: Antarctica--Description and travel. LC Class. No.: G860 / .W35 2013 Dewey Class. No.: 919.89