Book Review: Negotiating Brexit, edited by John Armour and Horst Eidenmüller. (Munich/Oxford/Baden-Baden: C.H. Beck/Hart/Nomos, 2017); The UK after Brexit. Legal and Policy Challenges - Common Market Law Review View Book Review: Negotiating Brexit, edited by John Armour and Horst Eidenmüller. (Munich/Oxford/Baden-Baden: C.H. Beck/Hart/Nomos, 2017); The UK after Brexit. Legal and Policy Challenges by - Common Market Law Review Book Review: Negotiating Brexit, edited by John Armour and Horst Eidenmüller. (Munich/Oxford/Baden-Baden: C.H. Beck/Hart/Nomos, 2017); The UK after Brexit. Legal and Policy Challenges 55 5 Common Market Law Review