Soy retro porque...

In this fascinating biography, readers will learn about the amazing life of Eleanor Roosevelt as she strived for equality of all. Lively images and a timeline help show children Eleanor's inspiring journey as she grew from a young student in England to the First Lady of the United States to the first female member of the United Nations. The informational Spanish-translated text, supportive glossary, table of contents, and index work together with the bright images to give readers the tools they need to better understand the content.

The rock cycle has been taking place for millions of years. However, geologists have only known about this phenomenon for about 300 years. Young terrestrial explorers are introduced to different types of rocks, where in the cycle these rocks fit, and where in Earth's layers each step takes place. Fact boxes provide readers with fun additional information. A diagram helps readers make sense of the new information they're learning.

Unexpected occurences have always caused panic, but explorers and scientists seek to find answers and explanations.

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...