Book Review: Improving International Investment Agreements, edited by Armand de Mestral & Céline Lévesque - Global Trade and Customs Journal View Book Review: Improving International Investment Agreements, edited by Armand de Mestral & Céline Lévesque by - Global Trade and Customs Journal Book Review: Improving International Investment Agreements, edited by Armand de Mestral & Céline Lévesque 8 9 Global Trade and Customs Journal