Cómo funcionan los ecosistemas

Een getrouwde bestsellerauteur komt voor het blok te staan als zijn maitresse aankondigt dat ze zwanger van hem is.

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...

This Spanish-translated book will be a hit with both thrill seekers and with those who prefer to stay safely on the ground. After an introduction to Newton's three laws of motion, readers learn the mechanics of various amusement park rides including roller coasters, Ferris wheels, merry-go-rounds, and gravity rides. They learn how to measure motion, and how kinetic and potential energy apply to their favorite rides. This 6-Pack includes six copies of this title and a lesson plan.

Cuando llega la hora de dormir, ¡los monstruos tienen miedo! Y todos quieren meterse en la cama de Joaquín. Pero Joaquín está muy incómodo y no puede dormir con tanto monstruo miedoso en su cama.