Book excerpt: Devolution, Regionalism and Regional Development provides an overview and critical perspective on the impact of devolution on regionalism in the UK since 1999, taking a research-based look at issues central to the development of regionalism: politics, governance and planning. This multidisciplinary book is written by academics from the fields of geography, economics, town planning, public policy, management, public administration, politics and sociology with a final chapter by Patrick Le Gales putting the research findings into a theoretical context. This will be an important book for those researching and studying economic and political geography and planning as well as those involved in regional development.