El Tesoro Perdido de la Ciudad Sumergida

Children are encouraged to celebrate and appreciate both their own and other people's differences and shows how, when people of different races and ethic backgrounds come together, they make a beautiful rainbow.

In the last one hundred years, Earth’s average temperature has risen one full degree. That might not sound like much, but it affects Earth’s oceans, land, plants, and animals. Learn all about global warming, the carbon cycle, the greenhouse effect, and weather and climate with this Spanish science reader that brings the power of science and informational text to students at a level they can understand. This nonfiction book introduces students to new concepts, vocabulary terms, and STEM topics. With detailed images and fascinating sidebars, the leveled text supports students reading at...

Hoy en día, prácticamente todo el conocimiento humano se encuentra al alcance de nuestra mano: basta hacer tres clics en Internet. Pero, ¿cómo llegamos a adquirir dicho conocimiento? Hicieron falta cientos y en ocasiones miles de años para comprender lo que en la actualidad nos parece evidente. El conocimiento es una aventura, una odisea extraordinaria cuyos pormenores se narran en esta colección. ¿A qué se parece el Universo? A lo largo del tiempo, esta pregunta ha dado lugar a las más diversas y contradictorias respuestas. El Universo fue redondo, luego plano, cortado en dos, luego ...

What better way to portray bioluminescent creatures of the sea, earth, and sky than in a glow-in-the-dark book? Scientific researcher María Emilia Beyer reveals the truth about these animals that produce their own light using special substances, as well as how they use this ability to search for food, defend themselves from prey, communicate, and find a mate. Readers will find eight species of bioluminescent plants and animals and can turn out the lights to see them in all their splendor--and read special hidden text!