La vida en un cubo

Esta obra reúne textos escritos por Andrés Lira sobre el exilio español y los maestros de ese exilio, como: José Medina Echavarría, José Miranda, Ramón Iglesia, Juan Antonio Ortega y Medina, Eugenio Ímaz y José Gaos, quienes han formado parte tanto de la Universidad Nacional Autónoma de México como de El Colegio de México.

What has a head, two tails, and shoots across the sky? A comet. Coming from the far edges of the solar system, most comets travel around the Sun, while meteors appear as flashing streaks of light in the night sky. Explore these amazing celestial wonders as they zip through space! This book looks at the difference between comets and meteors and their effects on Earth. The physical characteristics of each are identified in detail. This book won’t come crashing down! It’s filled with fun facts that give additional information on this exciting science topic. This book allows students to use...

Introduces the concepts of short and tall, comparing some of the world's shortest and tallest animals.

Enter the world of bug builders! Bugs can build structures that are as complex as the ones that we build! Readers will learn about the amazing things tiny creatures such as silkworms and beetles can build in this inviting, Spanish-translated nonfiction title that features detailed photos, riveting facts, informational text, a glossary for vocabulary improvement, and a list of useful websites. This 6-Pack includes six copies of this title and a lesson plan.