Book Review: Bridging the Gap? Opportunities and Constraints of the European Citizens Initiative, by Maximilian Conrad, Annette Knaut and Katrin Böttger. (Baden-Baden: Nomos, 2016) - Common Market Law Review View Book Review: Bridging the Gap? Opportunities and Constraints of the European Citizens Initiative, by Maximilian Conrad, Annette Knaut and Katrin Böttger. (Baden-Baden: Nomos, 2016) by - Common Market Law Review Book Review: Bridging the Gap? Opportunities and Constraints of the European Citizens Initiative, by Maximilian Conrad, Annette Knaut and Katrin Böttger. (Baden-Baden: Nomos, 2016) 53 6 Common Market Law Review