Heroes y villanos / Heroes and villains

The Industrial Revolution brought important changes to America. People began migrating to cities for work, and immigrants began to arrive in American in larger numbers than ever before as they looked for new employment opportunities. Readers explore the impact of the Industrial Revolution on U.S. migration and immigration patterns. As readers learn about essential social studies curriculum topics, engaging historical images and detailed primary sources hold their interest. This transformative period in American history comes alive for readers with each turn of the page.

In an entertaining way, shows how to add, subtract, multiply, and do long division without a calculator.

If a person were ever face-to-face with a huge, hungry animal with sharp teeth, they probably wouldn’t care exactly what that animal was! But from a safe location, can we tell whether it was a crocodile or alligator that wanted to take a bite? By examining their jaw structure, teeth, and other physical features, we can easily tell these two animals apart! Graphic organizers and amazing images highlight each animal’s habitat and other small differences between the two fearsome creatures, showing readers just what creature is lurking below the waters.

This fantastic book for young readers explains how it all began--from what is in the universe and the solar system; what galaxies, stars, the sun, and the planets are; when the practice of astronomy began, what an astronaut is, and how they live in space. It serves as a fascinating and useful illustrated guide for kids.