Oye! Estoy Ocupado

Un día el hombre creó, a partir de piedras y palos, su primera herramienta, y desde ese día comenzó a transformar el mundo con su trabajo. Lo que primero fue piedra más tarde sería martillo, así como las cavernas se convirtieron en rascacielos. La historia es una lección de humildad. Los hombres y mujeres que aprendieron del pasado y pudieron soñar y construir un futuro mejor fueron aquellos que no se vivieron como individuos aislados, sino formando parte de una gran tarea colectiva: la aventura de la humanidad.

Ideal for young children. Sturdy books that will stand up to wear and tear with full-color illustrations and clear, simple text. Each one has a convenient carry-along handle.

The sun is responsible for all life on Earth, but what exactly is it? Our star is an amazing force that can be as dangerous as it is important. From solar flares to the threat of blowing up altogether, the sun is one of the most interesting things in our solar system. Readers take a trip to the sun to see how it works and exactly what it is made of. They’ll learn about the life cycle of a star and see just how long we have until we have to find a new planet to call home. Don’t worry, they’ll be happy to learn that (hopefully) we have millions of years left!

Students will develop their math skills while engaged in reading about Yosemite National Park. This book seamlessly integrates the teaching of math and reading, and uses real-world examples to teach geometry concepts like calculating perimeter and area. Text features include a glossary, an index, captions, and a table of contents to increase students’ vocabulary and reading comprehension skills as they interact with the text. The rigorous practice problems, math charts and diagrams, and sidebars provide many opportunities for students to practice their developing math skills, and apply what...