Alexander Graham Bell

Mateo Chamero es un niño obeso de ocho años al que su madre quiere obligar a adelgazar. Su compañera de pupitre, Ana, está muy enferma. Mateo quiere ayudarla, pero no sabe cómo. ¿Encontrará el modo de hacerlo? Una estupenda historia que resalta los valores de la amistad y la superación de dificultades.

Our closest solar system is about 10 light years away. It has two main types of planets. Some are rocky and small, like planet Earth, while others are huge balls of gas, like Jupiter. Learn about how astronomers once thought our solar system was the one and only, to how they have now discovered hundreds of stars with planets orbiting them, which means there could be billions of solar systems in outer space! Just maybe, these alien worlds could host life, like our own amazing planet. This book allows students to use observations of the Sun, moon, and stars to describe patterns that can be...

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.

Provides over 1,000 entries for terms in English and their Spanish equivalents, with sentences in both languages to show proper usage.