Una bruja en casa

Tor, Arne, Olson e Isabel deciden fundar el Club de los Corazones Solitarios, cuyo objetivo es unir a aquellas personas que estén solas. ¿Cómo lograrán alcanzar su objetivo? Una historia tierna en la que el amor triunfa sobre la soledad.

Explains the basic science of flight, the problems of getting vehicles into the air, different types of engines, and aircraft design, and includes instructions for making aircraft models.

Before there was the U.S. Constitution, there were the Articles of Confederation. Readers discover the story behind the first written constitution of the United States—from the factors that inspired its creation to the reasons why it was replaced. The detailed main text is enhanced by informative sidebars and graphic organizers. Historical images, including relevant primary sources, allow readers to immerse themselves in this historical period. Readers are given the chance to thoroughly examine elements of the original document, making them feel like true historians. They’re sure to enjoy ...

Presenta varios experimentos en cronometría. Para estudiantes de primaria (grados 4-6) y de secundaria (grados 7-9).

In this book, a colorful illustrated character bundles up to battle the cold weather before shoveling the fresh snow. With easy-to-read text, early readers will watch snow become a snowman with the help of some hard work and a big hat!