Contents: Preface. Prologue: The thresholds to mobility disentangled, Ton van Naerssen and Martin van der Velde. Part I Mobility as an Option: Shopping for differences: mental and physical borders in the German-Polish borderlands, Bianca B. Szytniewski; Aspirations to go: understanding the bounded rationality of prospective migrants from Ghana, Lothar Smith; Rational routes? Understanding Somali migration to South Africa, Zaheera Jinnah; Thresholds in academic mobility: the China story, Maggi W.H. Leung; Gendered thresholds for migration in Asia, Ton van Naerssen and Maruja M.B. Asis. Part II Borders and Bordering: (Im)mobility in Karelia: a space of transforming belonging, Alexander Izotov and Tiina Soininen; Navigating the Thai-Cambodian border: from battlefield to a dynamic border space, Pol Fabrega and Helena Lim; From spontaneity to corridors and gateways: cross-border mobility between the United States and Canada, Victor Konrad; When fencing is not protecting: the case of Israel-Gaza, Doaa' Elnakhala; Homeland security? The effects of border enforcement in Guatemala, Ninna Nyberg Sorensen; Reflections on EU border policies: human mobility and borders - ethical perspectives, Fabio Baggio. Part III Places of Transfer and Trajectories: Doing borderwork in workplaces: circular migration from Poland to Denmark and the Netherlands, Marie Sandberg and Roos Pijpers; Between the New World and the Old World: changing contexts of exit and reception in the Bolivia-Spain migration corridor, Gery Nijenhuis; Boats, borders and ballot boxes: asylum seekers on Australia's northern shore, Graeme Hugo and Caven Jonathan Napitupulu; African passages through Istanbul, Joris Schapendonk; Immobilized between two EU thresholds: suspended trajectories of Sub-Saharan migrants in the limboscape of Ceuta, Xavier Ferrer-Gallardo and Keina R. Espineira. Epilogue: The threshold approach revisited, Martin van der Velde and Ton van Naerssen; Borders as resourceful thresholds, Henk van Houtum. Index.