Homer-Dixon, Thomas, 1956- The upside of down : catastrophe, creativity and the renewal of civilization / Thomas Homer-Dixon. - Toronto : Vintage Canada, 2007, c2006. - ix, 429 p. : ill. ; 23 cm. Includes index. Includes bibliographical references. ISBN: 9780676977233 0676977235 Nat. Bib. Agency Control No.: 20079007481 Subjects--Topical Terms: Regression (Civilization) LC Class. No.: CB161 H766u 2007 Dewey Class. No.: 901