Book Review: The In-House Providing in European Law, edited by Mario Comba and Steen Treumer. (Copenhagen: Djøf Publishing, 2010) - Common Market Law Review View Book Review: The In-House Providing in European Law, edited by Mario Comba and Steen Treumer. (Copenhagen: Djøf Publishing, 2010) by - Common Market Law Review Book Review: The In-House Providing in European Law, edited by Mario Comba and Steen Treumer. (Copenhagen: Djøf Publishing, 2010) 49 5 Common Market Law Review