39 cafés y un desayuno

Read Along or Enhanced eBook: From tide pools to the ocean, the sea is filled with amazing life forms! Early readers will be engaged from beginning to end with informational, Spanish-translated text, vivid photos, and a picture glossary of marine animals.

Introduces the concept of heat, how it's created, how it affects materials around it, and how heat is used.

Who were the earliest Americans? When, how, and from where did they enter and spread across the continent? And what is their relationship to modern Native Americans? Anthropologists develop theories to answer these questions based on the evidence they discover. Their theories—and the discoveries that prove and disprove them—are highlighted in this fascinating volume, full of awe-inspiring facts and incredible breakthroughs. Readers will feel like anthropologists and archaeologists themselves as they read about bones and artifacts, and what they reveal about the ancient cultures that roamed...

The varied projects in this volume present readers with more than a dozen lenses through which to learn about the progress and impact of the Industrial Revolution, and the tide of industrialization it unleashed, in the United States. Broad questions prompt readers to engage with major themes in civics, geography, economics, and history. A wealth of background information helps readers understand how these themes play out in the context of the profound shifts in the American economy and society that took place in the nineteenth and early twentieth centuries.