Se que estas aqui/ I Know You're Here

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.

Forces and motion are key concepts in the elementary science curriculum. This Spanish edition of How Simple Machines Work uses simple text and full-color photographs to help ELL students understand the principles behind simple machines. Each volume includes three diagrams to enhance comprehension. The text uses authentic language and is designed to build reading skills as well as knowledge of basic science concepts.

Nueva York, 1915. El arquitecto italiano Silvio Balestri llega a Manhattan con el sueño de trabajar en la construcción de rascacielos y dar una respuesta arquitectónica al mito de la torre de Babel con una construcción de apariencia truncada situada en la ciudad donde se cruzan todas las lenguas. Pero el proyecto de su vida, Zigurat, choca con los planes del Club de las Seis Lámparas, una secta que impone las reglas que rigen las alturas de la ciudad de los rascacielos. Entretanto, en la vieja Europa, con el auge de los regímenes totalitarios triunfa la arquitectura del significado y...

When people go to sleep, bats are just waking up. While young readers may recognize the image of bats in the night skies, where they live may be less familiar. This title takes readers inside bat roosts to uncover the fascinating facts about this creature. Readers will learn the basics of bat roosts—in caves and beyond—and how they help bats survive in the wild. The text also looks at bat’s appearance, behavior, and the crucial role they play in nature’s ecosystems—topics covered in most elementary science curricula. Diagrams, fact boxes, colorful images encourage learning.