Ojos

Children learn about the features of Tyrannosaurus Rex, what Tyrannosaurus Rex ate, and how it attacked other dinosaurs.

Readers will have fun learning about basic external body parts in this colorful series that helps them recognize and compare human parts and various animal parts. Each book in this series focuses on one part, explaining what it is, what it is used for, and how it looks on a variety of animals.

This book looks at the numbers in Spanish. Main text on each page is provided only in Spanish, with simple, labeled photographs providing support. A "dictionary" spread at the end of the book features all the vocabulary words in both Spanish and English, and also includes a pronunciation guide.

When many think of the Constitution, they think of the Founding Fathers: Thomas Jefferson, John Adams, Benjamin Franklin...but neither Jefferson nor Adams even signed it. Facts like this will surprise readers, while further information will enlighten them about both the crucial document called the U.S. Constitution as well as about its creation and ratification. This essential volume is a significant addition to any elementary social studies collection.

"Latin America's population is estimated to be well over half a billion people, almost one-tenth of the world's population, living in thirty-three different countries and territories. This engrossing book explores the people of South America, Central America, Mexico, and the West Indies and provides extensive detail on their diverse cultures. An authoritative overview of the varied and rich traditions of each of these regions is presented, as well as a thorough discussion of the religions, languages, and ethnicities of Latin Americans."

Las flores brillantes, los tiernos animalitos, las plantas frescas. ¡Hay colores por todos lados en la primavera! Explora los colores del mundo a tu alrededor. ¿Qué colores te hacen pensar en la primavera? ¿Qué puedes crear con los colores de la primavera? Anima a los lectores a reconocer el color del mundo real y a crear sus propias obras de arte inspiradas en la primavera por medio de fotos vibrantes y texto lírico. Bright flowers, cute baby animals, fresh plants--colors are everywhere in spring! Explore color in the world around you. What colors make you think of spring? What can you ...

Aunque hoy en día el efecto invernadero aparece en la prensa con frecuencia, se le conoce desde mediados del siglo XIX y siempre se ha sospechado de la influencia de la actividad humana en él. Sin embargo, para constatar el efecto de calentamiento global actual y aceptar la responsabilidad del hombre en su rápido crecimiento, hubo que luchar contra intereses ligados al desarrollo industrial que supuestamente está sustentado por el conocimiento científico. "Esta historia empieza a principios del siglo XIX, cuando unos científicos descubrieron que nuestro planeta no siempre tuvo el mismo...