Robin Geiss is Professor at the Faculty of Law, University of Potsdam, Germany. Formerly he worked as a legal adviser to the International Committee of the Red Cross (ICRC) in Geneva Anna Petrig, is a researcher at the Max Planck Institute for Foreign and International Criminal Law in Freiburg (Germany), where she is in charge of the Sea Piracy Project. She is admitted to the Bar of New York (USA) and of the Canton of Berne (Switzerland).

Geiß and Petrig's contribution is an extremely useful toolbox for international law issues specifically connected to the situation in the Gulf of Aden, and may be of lasting significance as a repository of state practice.

• INTRODUCTION ; PART I: CURRENT EFFORTS TO COUNTER PIRACY IN SOMALIA AND THE GULF OF ADEN ; i Piracy in the Gulf of Aden ; ii Efforts to Counter Piracy in the Gulf of Aden ; iii Conclusion ; PART II: HISTORIC EVOLUTION OF LEGAL RULES RELATING TO PIRACY ; i Codification of Piracy Rules in the 20th Century ; ii Counter-Terrorism Rules Relevant for Violence against Ships and Persons on Board ; iii Regional Instruments ; iv Conclusion ; PART III: COUNTER-PIRACY ENFORCEMENT POWERS AND THEIR LEGAL CONSTRAINTS ; i Scope of Counter-Piracy Enforcement Powers ; ii Shiprider Agreements ; iii Legal Constraints on Counter-Piracy Enforcement Powers ; PART IV: THE CRIMINAL PROSECUTION OF PIRATES AND ARMED ROBBERS AT SEA ; i Adjudicative Jurisdiction over Pirates and Armed Robbers at Sea ; ii Possible Venues for the Criminal Prosecution of Piracy Suspects ; iii Transfers of Piracy Suspects ; CONCLUSION

Robin Geiss is Professor at the Faculty of Law, University of Potsdam, Germany. Formerly he worked as a legal adviser to the International Committee of the Red Cross (ICRC) in Geneva Anna Petrig, is a researcher at the Max Planck Institute for Foreign and International Criminal Law in Freiburg (Germany), where she is in charge of the Sea Piracy Project. She is admitted to the Bar of New York (USA) and of the Canton of Berne (Switzerland).

Geiß and Petrig's contribution is an extremely useful toolbox for international law issues specifically connected to the situation in the Gulf of Aden, and may be of lasting significance as a repository of state practice.

• INTRODUCTION ; PART I: CURRENT EFFORTS TO COUNTER PIRACY IN SOMALIA AND THE GULF OF ADEN ; i Piracy in the Gulf of Aden ; ii Efforts to Counter Piracy in the Gulf of Aden ; iii Conclusion ; PART II: HISTORIC EVOLUTION OF LEGAL RULES RELATING TO PIRACY ; i Codification of Piracy Rules in the 20th Century ; ii Counter-Terrorism Rules Relevant for Violence against Ships and Persons on Board ; iii Regional Instruments ; iv Conclusion ; PART III: COUNTER-PIRACY ENFORCEMENT POWERS AND THEIR LEGAL CONSTRAINTS ; i Scope of Counter-Piracy Enforcement Powers ; ii Shiprider Agreements ; iii Legal Constraints on Counter-Piracy Enforcement Powers ; PART IV: THE CRIMINAL PROSECUTION OF PIRATES AND ARMED ROBBERS AT SEA ; i Adjudicative Jurisdiction over Pirates and Armed Robbers at Sea ; ii Possible Venues for the Criminal Prosecution of Piracy Suspects ; iii Transfers of Piracy Suspects ; CONCLUSION