Mi primera gran enciclopedia

Describes the U.S. Air Force Thunderbirds, including their planes, the maneuvers at their air shows, and team member duties. Written in English and Spanish.

It is the third Monday in January and school is closed. But do you know why? It's Martin Luther King Jr. Day. Turn the pages of this book to find out what dream Dr. King shared with the world, who Mohandas Gandhi was, how one brave woman helped Martin Luther King Jr. change history. Each book in the Holiday Histories series describes one of America's holidays or special days. Explore the history of each day and learn the real reason why it is important. Discover what special meaning each day might have for you.

Discute aspectos alimenticios, médicos, y sociales del embarazo y la maternidad adolescentes. -- Discusses nutritional, medical, and social aspects of teenage pregnancy and teenage parenthood.

Una propuesta que plantea problemáticas experimentales a partir de situaciones de la vida diaria. Incluye, además, información teórica que ayudará a saber más acerca de los distintos fenómenos de la naturaleza. Los temas y el enfoque responden a los contenidos de las áreas de Ciencias Naturales y Tecnología