Book Review: The Invalid Directive; The Legal Authority of a Union Act Requiring Domestic Law Making, by Thomas Vandamme. (Groningen: Europa Law Publishing, 2005) - Common Market Law Review View Book Review: The Invalid Directive; The Legal Authority of a Union Act Requiring Domestic Law Making, by Thomas Vandamme. (Groningen: Europa Law Publishing, 2005) by - Common Market Law Review Book Review: The Invalid Directive; The Legal Authority of a Union Act Requiring Domestic Law Making, by Thomas Vandamme. (Groningen: Europa Law Publishing, 2005) 43 2 Common Market Law Review