Proyectos reales para explorar la Primera Guerra Mundial y los años 20 (Real-World Projects to Explore World War I and the Roaring ’20s)

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...

Rainforests play an important role in the health of the world. Plants, animals, and people all depend on rainforests for many reasons. A tropical rainforest is filled with wonder and mystery, from the tallest trees in the canopy to the darkest and wettest leaves on the forest floor. The animals that inhabit this biome are varied and exotic. What readers may not realize is that not all rainforests mark the areas around the equator. Temperate rainforests, with milder climates, extend toward the poles. Readers learn the similarities and differences between these two biomes.

In an entertaining way, shows how to add, subtract, multiply, and do long division without a calculator.

Unexpected occurences have always caused panic, but explorers and scientists seek to find answers and explanations.

El presente libro se orienta a profundizar en los conocimientos sobre el proceso de producción escrita y a apoyar la labor creadora de la palabra con la perspectiva de producir textos que puedan convertirse en libros. El autor ha recogido sus experiencias relacionadas con la composición escrita de sus libros, para compartirlas con quienes tienen el oficio de jugar con las palabras, las ideas y los textos o de pronto están por escribir una obra científica, expositiva, divulgativa, literaria o de cualquier otra índole. Concibe el escribir como un acto creador de la mente, el cual incluye...