El eco del silencio

Did you know that most animals in the world don't have backbones? Learn more about invertebrates in this engaging, Spanish-translated nonfiction book. Readers will learn all about mollusks, arthropods, arachnids, and crustaceans while being stimulated from cover to cover with its detailed images and charts, intriguing facts, and informative text.

Why did the Civil War begin? Which states were part of the Union and which were part of the Confederacy? Readers will learn the answers to these questions and more as they move through this fascinating nonfiction Spanish-translated title. The easy-to-read informational text, engaging facts, and vivid images and illustrations help highlight some of the aspects that led up to the Civil War, including slavery, the Underground Railroad, abolitionists, the Fugitive Slave Act, the Dred Scott Decision, and the Lincoln-Douglas debates. The accessible table of contents works in conjunction with the...

"Brief text introduces the concepts of long and short, comparing some of the world's longest animals with animals that are short -- in both English and Spanish"--Provided by publisher.

Un sorprendente viaje por diez rutas que, más largas o más cortas y en diferentes épocas, dieron forma al mundo que conocemos hoy. Con este libro cruzarás el puente de Beringia hacia América con los primeros pobladores de ese continente y seguirás a los animales salvajes por la ruta migratoria del Serengueti. Recorrerás la red adoquinada de calzadas romanas de Inglaterra y la maravilla de la ingeniería del Gran Camino Inca, que permitieron el florecimiento de dos imperios. Conocerás a los pioneros que arriesgaban su vida en busca de oro por la remota y helada ruta de los Chilkoot, a...