Volume 1 deals with international crimes. It contains several significant contributions on the theoretical and doctrinal aspects of ICL which precede the five chapters addressing some of the major categories of international crimes. The first two chapters address: the sources and subjects of ICL and its substantive contents. The other five chapters address: Chapter 3: The Crime Against Peace and Aggression (The Crime Against Peace and Aggression: From its Origins to the ICC; The Crime of Aggression and the International Criminal Court); Chapter 4: War Crimes, Crimes Against Humanity & Genocide (Introduction to International Humanitarian Law; Penal Aspects of International Humanitarian Law; Non-International Armed Conflict and Guerilla Warfare; Mercenarism and Contracted Military Services; Customary International Law and Weapons Control; Genocide; Crimes Against Humanity; Overlaps, Gaps, and Ambiguities in Contemporary International Humanitarian Law, Genocide, and Crimes Against Humanity); Chapter 5: Crimes Against Fundamental Human Rights (Slavery, Slave-Related Practices, and Trafficking in Persons; Apartheid; International Prohibition of Torture; The Practice of Torture in the United States: September 11, 2001 to Present); Chapter 6: Crimes of Terror-Violence (International Terrorism; Kidnapping and Hostage Taking; Terrorism Financing; Piracy; International Maritime Navigation and Installations on the High Seas; International Civil Aviation); Chapter 7: Crimes Against Social Interest (International Control of Drugs; Challenges in the Development of International Criminal Law: The Negotiations of the United Nations Convention Against Transnational Organized Crime and the United Nations Convention Against Corruption; Transnational Organized Crime; Corruption of Foreign Public Officials; International Criminal Protection of Cultural Property; Criminalization of Environmental Protection).