Our Little Heroes / Nuestros pequeños héroes

The sun is responsible for all life on Earth, but what exactly is it? Our star is an amazing force that can be as dangerous as it is important. From solar flares to the threat of blowing up altogether, the sun is one of the most interesting things in our solar system. Readers take a trip to the sun to see how it works and exactly what it is made of. They’ll learn about the life cycle of a star and see just how long we have until we have to find a new planet to call home. Don’t worry, they’ll be happy to learn that (hopefully) we have millions of years left!

Alexander Graham Bell was always trying to invent new things! In this biography that has been translated into Spanish, readers will learn about Alexander's life as a teacher and inventor of such incredible inventions as the telephone, record player, and metal detector. Colorful images, supportive text, an interesting timeline, and a helpful glossary, table of contents, and index combine to give readers an inspiring look into the life of Alexander Bell.

Discusses the physical characteristics of great white sharks that combine to make them such able predators.

¿Qué cámara necesito? ¿Dónde instalo el micrófono? ¿Cómo ilumino mi cuarto? La guía más completa para convertirte en una estrella del canal de video más popular del mundo, con un paso a paso para encontrar tu propia identidad, consejos técnicos, aplicaciones y los mejores tips.