Cómo funcionan las ruedas y los ejes

Storms are a fascinating topic and a great way to get young readers interested in science. This series uses simple text and dramatic, full-color photos to take students inside nature's powerful and deadly storms. Each book explains one kind of storm- what it looks like, how it forms, the damage it can do, and how people can protect themselves from danger.

There is an amazing muscle inside your body. It pumps blood and keeps you healthy. What is it? Your heart! Read all about it in this colorful, Spanish-translated title.

Hay aventuras que, por el sólo asunto que tratan, abarcan toda una vida e influencian a mucha generaciones o a una gran cantidad de personas de una misma época. Durante muchos años se había estado intentando, por parte de los europeos, llegar hasta el Asia y, principalmente, a China. Nadie había podido hacerlo, nadie había partido en este intento y regresado sano y salvo... Hasta que el personaje de este libro lo intentó. Este viajero universal nos relata el ambiente de la Venecia del siglo XIII, los preparativos del extraordinario periplo que emprendió hacia China, las aventuras que...

A digital solution for your classroom with features created with teachers and students in mind: - Perpetual license - 24 hour, 7 days a week access - No limit to the number of students accessing one title at a time - Provides a School to Home connection wherever internet is available - Easy to use - Ability to turn audio on and off - Words highlighted to match audio After trying to fly his kite in different places, Riley finally finds the perfect spot.

A giant, spinning storm forms over the ocean. People living on the coast start to flee inland for safety. Once the storm makes landfall, heavy rains and fast-moving winds knock down trees and destroy homes. In this captivating introduction to hurricanes, early readers will be swept up in the dramatic text that describes the first signs of a hurricane, its destructive power, and, most importantly, how to stay safe from a hurricane’s devastating winds and rains. Each 24-page book features controlled text with age-appropriate vocabulary and simple sentence construction. Stunning photos closely ...