Exploremos las rocas metamórficas (Exploring Metamorphic Rocks)

The rock cycle has been taking place for millions of years. However, geologists have only known about this phenomenon for about 300 years. Young terrestrial explorers are introduced to different types of rocks, where in the cycle these rocks fit, and where in Earth's layers each step takes place. Fact boxes provide readers with fun additional information. A diagram helps readers make sense of the new information they're learning.

Although Earth is mostly made up of igneous and metamorphic rock, sedimentary rock covers about 75 percent of Earth's land surface. This means it's the most visible kind of rock on Earth. Sedimentary rocks form when sediment accumulates and compacts. Your readers will learn how sedimentary rocks form, the different types of sedimentary rocks, and how people use sedimentary rocks. Fun fact boxes provide readers with additional information. A helpful diagram illustrates how sedimentary rocks form.

When winter hits, many people in colder climates spend most of their time indoors. But what do wild animals do? Some animals spend winters hibernating. Beginning readers will learn what hibernation is, why some animals hibernate and others don't, and how hibernating animals prepare for their long sleep. Full-color photographs grab readers' attention and allow them to draw connections to the narrative. Readers will love learning about this mysterious, restful time in some animals' lives.

Introduces the concepts of short and tall, comparing some of the world's shortest and tallest animals.

Se dice que los niños son los verdaderos filósofos. Tienen una curiosidad incontenible y sus preguntas hacen titubear muchas veces a los adultos. ¿Cómo explicar el mundo a los niños? El reconocido filósofo Richard David Precht paseó por Berlín durante un verano con su hijo Oskar. Fueron, entre otros sitios, al zoo, al Museo de Ciencias Naturales o a los restos del famoso muro. Durante esas visitas, Precht respondió a numerosas preguntas como «¿Soy yo realmente yo?», «¿Por qué los seres humanos tienen preocupaciones?» o «¿Qué es belleza?». Este es un libro de filosofía...

Because of his physical disabilities, Adriane won't play soccer, that is until his sister's boyfriend shows him how to play and he builds up some self esteem. Original.

Stephen F. Austin grew up to become known as the Father of Texas. Readers can learn about his interesting and incredible life in this appealing biography that has been translated into Spanish and highlights both Austin's life and Texas history. Through vivid images and illustrations, supportive text, an accommodating glossary and index, and fascinating facts, readers will learn about Texas pioneers, the empresario system, Freemasons, and how Austin became such an important figure in Texas history.