Un pajarillo canta

Tras asomarse al futuro y ver el negro panorama que espera a nuestro planeta, Natalia y Mayden deben concienciar a la gente de la importancia de colaborar entre todos para evitarlo. Gaia, la Tierra, no puede seguir soportando la desaparición de especies y la invasión de plástico. Pero los negacionistas, liderados por los youtubers Magufa y Camelo, van a tratar de evitarlo ridiculizándoles en sus vídeos. ¿Cómo serán capaces nuestros amigos de frenar la catástrofe medioambiental? Los autores cuentan con más de 14.500.000 suscriptores en YouTube.

In the last one hundred years, Earth’s average temperature has risen one full degree. That might not sound like much, but it affects Earth’s oceans, land, plants, and animals. Learn all about global warming, the carbon cycle, the greenhouse effect, and weather and climate with this Spanish science reader that brings the power of science and informational text to students at a level they can understand. This nonfiction book introduces students to new concepts, vocabulary terms, and STEM topics. With detailed images and fascinating sidebars, the leveled text supports students reading at...

Few kids can resist jumping into a big puddle. Getting wet can be fun. Learning to describe objects as wet can be fun, too, as evidenced in the bright, entertaining photographs and simple, engaging text in this motivating book. Readers will love to identify the objects within these pages, selected to appeal to them, and use the objects to comprehend new vocabulary words in corresponding sentences.

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...