Capital in the twenty-first century / Piketty, Thomas, 1971- author.

African universities in the twenty-first century / Zeleza, Paul Tiyambe, 1955-.

Environmental ethics : an overview for the twenty-first century / Attfield, Robin author.

Sociology and human rights : a Bill of Rights for the twenty-first century / Blau, Judith R., 1942-

-first century / Davidson, Paul, 1930-

Participation and democracy in the twenty-first century city / Pearce, Jenny.

Twenty-first century macroeconomics : responding to the climate challenge / Harris, Jonathan M.

Twenty-first century megatrends

Twenty-first century food market vendor

Twenty-first century journalism handbook

Work in the twenty-first century

Themes in twentieth- and twenty-first-century literature and culture