This is a book authored by Ana Maria Daza-Clark and published in December 2016 by Brill Nijhoff within the series of “International Investment Law”. Mrs. Daza-Clark offers an appraisal of indirect expropriation, revisiting the well-known doctrine of the police power. Through the lens of international investment law, the author explores a framework that assesses the legitimate exercise of police power with particular attention to the special nature of water resources. This book is recommended to all those interested in expropriation in the context of international investment law and those with a special concern for environmental issues and water resources management.