Book review: The Choice of Legal Basis for Acts of the European Union. Competence Overlaps, Institutional Preferences, and Legal Basis Litigation, by Annegret Engel. (Cham: Springer, 2018) - Common Market Law Review View Book review: The Choice of Legal Basis for Acts of the European Union. Competence Overlaps, Institutional Preferences, and Legal Basis Litigation, by Annegret Engel. (Cham: Springer, 2018) by - Common Market Law Review Book review: The Choice of Legal Basis for Acts of the European Union. Competence Overlaps, Institutional Preferences, and Legal Basis Litigation, by Annegret Engel. (Cham: Springer, 2018) 57 2 Common Market Law Review