Los Artículos de la Confederación (Articles of Confederation)

The idea of the Roaring '20s conjures up images of speakeasies, women with short, saucy hairdos, and hot jazz. Readers will learn about the historical events that define this decade, including the devastating war that preceded it. An explanation about project-based learning will help readers understand how it can help them research their topic in unique and interesting ways. Constructive suggestions offer ideas for projects, while encouraging readers to take their studies in new and interesting directions.

When we look up at the night sky you can see millions of stars, but what do you think we could see in space if we left Earth? If we could hop into a special ship and blast off, traveling billions of miles away from Earth, we’d see the Milky Way galaxy. In this book, readers take an incredible journey through that galaxy, exploring the universe and learning how it was formed and what will one day happen to these enormous groups of stars. From mysterious dark matter to the black holes at the center of galaxies, readers will also dive into the mysteries of the universe scientists have spent...

Durante un ataque sarraceno, Diego de Malagón, hijo de un posadero, es testigo del secuestro de sus hermanas. Consigue huir a Toledo donde conoce a Galib, un veterinario mudéjar de gran prestigio, que le acoge como aprendiz y le muestra el poder y la belleza de la albeitería, la ciencia que estudia la curación de los animales más importantes para los hombres: los caballos. Pero a causa de un malentendido con la esposa de Galib, Diego debe salir huyendo de nuevo. A partir de ese momento, el protagonista de esta novela hurgará en las entrañas de la biblioteca de un monasterio...

Six titles in the illuminating Who Was . . . ? series are now available in Spanish-language editions. Each title features black-and-white illustrations.

Learn how technology has improved lighthouses over time with this book that features a hands-on STEAM challenge and uses real-world examples to give insight into how the engineering design process is used to solve problems.

Fun Facts About The Seasons Of The Year Draw The Reader Into This Delightful Book That Includes Weather Related Information.