Comenzó con una pizza (It Started With Pizza)

James Lovelock —autor de la La venganza de la Tierra, Planeta, 2007— pone sobre la mesa las pruebas de un futuro poco esperanzador para nuestro planeta. El polémico científi co creador de la teoría de Gaia —que considera la Tierra como organismo vivo que se autorregula en pos de su supervivencia— presenta aquí una verdad aún más incómoda que la de Al Gore. Ninguna acción humana tiene la capacidad de reducir las consecuencias con la rapidez suficiente, ni siquiera para frenar el cambio climático. Sin embargo, la civilización tiene el deber de sobrevivir en los pocos refugios...

Take a trip to the world market for an exciting way to learn about standard measurement! This title, that has been translated into Spanish, takes young readers to markets around the world, showing them how to measure common food items with standard measurements. Some things are measured by length! Some things are measured by weight! Children will learn these and other measurement techniques through vibrant images, fun examples, and simple mathematical charts, enhancing their mathematical and STEM skills. This 6-Pack includes six copies of this title and a lesson plan.

In 1789, George Washington became the first president of the United States. With over 100 black-and- white illustrations, the fascinating story of "the father of our country" comes to life in Spanish - revealing the real man, not just the face on the dollar bill!

Games and projects introduce the concepts of coordinates and angles and how to find location and position.