Vocales

Rolf y Flor vuelven a vivir una aventura juntos. Esta vez se van de campamento de verano al círculo polar. Allí descubren un entorno mágico y único. La naturaleza adquiere protagonismo en esta nueva entrega: los días sin noche, los lagos de agua caliente, la aurora boreal, el bosque... Durante quince días nuestros amiguitos conocerán a niños de otros lugares del mundo y vivirán una experiencia inolvidable. La amistad de Rolf y Flor seguirá creciendo y consolidándose. Letras divertidas y originales harán las delicias de niños y padres. Además, este libro bilingüe (castellano e...

Illustrated by an extraordinary artist and written with a close and intimate tone, El libro de los colores is an emotional journey. Teaching the practical use of paints to achieve desired tones, this book is an imaginative resource for artists of all ages.

As they say, necessity is the mother of invention, and this book introduces readers to 14 women who invented very useful, helpful items. They include Chicago native Margaret Wilcox who invented the car heater, Indiana native Marion O'Brien Donovan who invented disposable diapers, Pennsylvania native Stephanie Kwolek who invented Kevlar, and Austria-born actress Hedy Lamar whose secret communications systems led to the creation of WiFi, Bluetooth, and GPS.

The sun is responsible for all life on Earth, but what exactly is it? Our star is an amazing force that can be as dangerous as it is important. From solar flares to the threat of blowing up altogether, the sun is one of the most interesting things in our solar system. Readers take a trip to the sun to see how it works and exactly what it is made of. Theyll learn about the life cycle of a star and see just how long we have until we have to find a new planet to call home. Dont worry, theyll be happy to learn that (hopefully) we have millions of years left!