This is the first work in our country considering the international criminal law (IPR) as a whole. In it, Javier Dondé systematized the content of this new discipline and focus valuable information from various articles, international treaties and documents from organizations like the United Nations. The author deals in five chapters the basics of IPR as a criminal justice system, their jurisdictional issues and international courts and competition hybrids only; accompanies the text with numerous tables containing examples of subject matter, as the exercise of jurisdiction universal in the Cavallo case, or the use of international jurisdiction in Rwanda and former Yugoslavia. Also being studied are illegal as genocide, crimes of humanity and war crimes (including hostage taking, bombings of civilians, use of chemical weapons, child recruitment, torture and crimes of a sexual nature), without forget situations such as apartheid. It also includes timelines, educational activities in each chapter and a CD with law, jurisprudence, conventions, resolutions, reports, codes, charters, statutes and the main criteria linked to the DPI who issued the Supreme Court of our country , all of which supports this work, the most current and attached to the syllabus on the subject. The purpose is to introduce students and others concerned with a quick reference book, concise, useful also for specialists in international law or criminal law that seek to approach the branch derehco merging the two fields, and of interest to students of such disciplines as political science and international relations.