This is a collection of essays about a variety of issues in the social sciences: child abuse, child pornography, education, computers in schools, Descartes, Erasmus, Metacognition, Skinner, health care in Latin American nations, Public relations in the public sector, Racism and Sociobiology, The challenges of delivering online courses for populations in poverty, the family in Russian literature, the Hmong population in Minnesota, Psi and Zen Budhism, diplomacy's changes in the last century, how do markets work, real competition in the different cases of monopolies, reflections about the Constitution of Liberty, Reflections of the Ambassador of a Small Country, among others.