Nowadays we are fortunate enough to be experiencing a boom in human rights - an enormous increase of their importance in the international sphere at all levels (political, economic, social, legal and moral). For the first time the condition of the individual as "citizen," and not just as "subject," has gained importance. Individuals, and not only states, have now become the subjects of international law, as a result of the boom in humanitarian law and international criminal law. However, although there have been many battles won and goals met concerning human rights, the war against injustice continues and the fight has not ended. It is necessary to stay alert and to avoid a potentially paralyzing self-complacency. This collection focusses on topics that are particularly relevant for the present era. It examines issues such as multiculturalism, globalization, international criminal justice (specifically third and fourth generation rights) and, within this thematic framework, the problems that have come about as a result of the expanding reach of the Internet and of new biomedical advances. In addition, it explores the increasingly urgent challenge of how to respond to international terrorism, in view of worldwide events since September 11, 2001, and its resulting aftermath. Originally published in Spanish, this thought-provoking collection will be of interest to human rights scholars and practitioners alike.