Since 1999, the EU has adopted legislation harmonizing many areas of immigration law, in particular rules on borders, visas, legal migration, and irregular migration. The much-enlarged and fully updated second edition of this book contains the text of and detailed commentary upon every significant measure in this field proposed or adopted up until 1 September 2011. It includes commentary on the EU visa code, the Schengen Borders Code, the Frontex Regulation, the Returns Directive, the Directives on family reunion, long-term residents and single permits for migrant workers, and many more besides. This is the essential guide for any lawyers, academics, civil servants, NGOs and students interested in this area of law. The authors of each commentary are academic and practitioner experts in the field of EU immigration law based in the UK, Ireland and the Netherlands.