Encarcelamientos masivos, hombres negros y la lucha por la justicia (Mass Incarceration, Black Men, and the Fight for Justice)

Ever wonder how a balloon is made? Follow the journey of a balloon from its beginnings as gooey sap in a tree to its completion at a rubber factory. You'll be surprised to discover what a balloon started out as and how it becomes the bright, air-filled decoration that you enjoy today.

Many desert animals around the world are in danger of becoming extinct. In this enlightening, Spanish-translated nonfiction title, readers will learn a few of the causes of extinction in the desert and what problems extinction causes for animals, wildlife, and humans alike. Through vibrant photos of beautiful animals and stunning facts in conjunction with informational text and useful charts and diagrams, readers will learn and understand concepts such as habit loss and learn ways that animal activists help to protect animals and their environments, as well as helpful tips to get involved in...

Basic concepts about electricity for highschool level and college. Topics include: Electrical circuits, Ohm's law, serial and parallel circuits, electric power, CD circuits, etc. With questionnaire.

In one of his works, Barthes wrote; "If I was a writer and I was dead, I would like that my life be reduced through the care of a friendly and confident biographer, to some details ... whose distinction and mobility could be translated out of any destiny."And Calvet has made it.