This text investigates the substantive legal principles governing the resolution of disputes between foreign investors and host states through international arbitration. The authors, all experienced practitioners and scholars in the field, synthesize complex case law and treaty practice to provide a coherent framework for understanding how investment tribunals interpret and apply international law. The work serves as a comprehensive guide for legal professionals navigating the intersection of public international law and private investment protection.

Legal practitioners and academics frequently cite this work as a foundational reference for understanding the evolution of investment treaty law. Experts highlight the clarity of the authors' analysis in navigating the often inconsistent jurisprudence produced by various international tribunals.