Hablemos claro: Alcohol y drogas (Straight Talk: Drugs and Alcohol)

In this stimulating, Spanish-translated nonfiction book, readers will discover the various types of friction--including rolling friction, sliding friction, fluid friction, and static friction--and the huge impact it has on nature, machines, and our lives. In addition, readers are encouraged to perform basic experiments to assist in the understanding of friction, kinetic energy, and water resistance. With real-life examples, colorful images, accommodating graphs and charts, and informational text, this title will inspire and engage children.

What does swimming in a pool, drinking through a straw, breathing in air, and circulating blood all have in common? They all require a form of air or water pressure! Readers will discover the variety of ways that air and water pressure make an impact on our lives and the things in them. This fact-filled, Spanish-translated nonfiction title includes real-life examples and basic experiments to aid in the development of understanding physic and scientific concepts. Readers will be introduced to and learn about Archimedes Principle, atmospheric pressure, vacuums, water density, and hydraulics...

Accelerate through the pages of this book and introduce readers to physics and how it assists objects to move. This stimulating, Spanish-translated nonfiction title includes real-life examples and basic experiments to facilitate further understanding of physics. Readers will learn about velocity, Newton's Second Law of Motion, thrust, gravity, momentum, and g-force through vibrant and colorful images, fascinating facts in conjunction with informational text, accommodating graphs and diagrams.

"This book will allow you to share with your child compositions full of strength and creativity side-byside (you color on one page and the little one on the opposite). Children and moms will enjoy coloring... together. Sharing games and leisure with children is highly recommended, and this is a perfect book for mothers who love to color and enjoy leisure time with their children."

Explains the importance of good manners and describes ways to show politeness in the home, school, and community.

El 11 de febrero de 1990, después de haber luchado toda su vida contra el Apartheid y tras 27 años en prisión, Nelson Mandela fue finalmente liberado. La historia de Mandela, que finalmente se ha convertido en uno de los más grandes líderes mundiales, es también la difícil historia de Sudáfrica.

La estética de la Baja Edad Media, de la mano de la escolástica, aporta a la metafísica de la proporción y a la metafísica de la luz un sistema conceptual. Ésta es, de hecho, la “primera sistematización” del vocabulario estético. La antigüedad había trabajado ciertos contenidos de este vocabulario, pero no había construido ningún sistema que garantizara un cierto rigor de uso. Será la Baja Edad Media, gracias al énfasis puesto en la obra aristotélica y especialmente en el “organon”, la que ofrecerá a la estética su primera sistematización conceptual que, además,...