Introduction: thinking about globalization -- Systemic thinking: Immanuel Wallerstein -- Conceptual thinking: Anthony Giddens -- Sociological thinking: Manuel Castells -- Transformational thinking: David Held and Anthony McGrew -- Sceptical thinking: Paul Hirst and Grahame Thompson -- Spatial thinking: Peter Dicken and Saskia Sassen -- Positive thinking: Thomas Friedman and Martin Wolf -- Reformist thinking: Joseph Stiglitz -- Radical thinking: Naomi Klein, George Monbiot and Subcommandante Marcos -- Revolutinary thinking: Michael Hardt and Antonio Negri -- Cultural thinking: Arjun Appadurai -- Conclusion: rethinking globalization again.