In this well-researched and detailed book, the editors provide an extensive and critical analysis of post-Soviet regional integration. After almost two decades of unfulfilled integration promises, a new - improved and functioning - regime emerged in the post-Soviet space: the Eurasian Customs Union between Russia, Belarus and Kazakhstan (ECU). The contributors seek to explain this puzzling and politically significant development by examining the ECU's origins, institutional architecture, key driving forces and emerging implications. Their investigation reveals that the ECU is an ambitious and...