Construyamos un patio de juegos (Building a Playground)

Piensa que naciste hace 300 años. Imagina que has decidido estudiar astronomía, matemáticas, ingeniería, cartografía, geografía, filosofía e historia.¿Cómo habría sido tu vida? Tal vez muy parecida a la de Carlos de Sigüenza y Góngora, un hombre que en una sola vida estudió todas estas ciencias y todavía más. Esta insólita biografía inspirará a los jóvenes para que no dejen de luchar por conseguir sus sueños.

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. Theyll 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. Dont worry, theyll be happy to learn that (hopefully) we have millions of years left!

Our toilets toil away for us every day. Yet, they get little thanks for their hard work! When you think of toilets, you probably picture one in your home. But, toilets can be very different around the world. At first glance, a toilet is a simple device, but they are critical for proper sanitation. There are many people worldwide who do not have access to a toilet. Let's dive into an exploration of the history, importance, and inner workings of toilets! This Spanish book combines math and literacy skills and uses everyday examples of problem solving to teach subject area content. The...

Con Pristi, el niño descubre la importancia de conocerse, con sus fuerzas y sus límites, y de construir un concepto de sí mismo que será la base de su identidad y de su deseo de realización.