The world is flat : the globalized world in the twenty-first century / Thomas L. Friedman.

by Friedman, Thomas L.
Published 2006

Edition: Updated and expanded [ed.].

The world is flat : a brief history of the twenty-first century / Thomas L. Friedman.

by Friedman, Thomas L.
Published 2007

Edition: 1st Picador ed., Further updated and expanded, [Pbk. ed.].