Estudios sobre los exiliados españoles

What is matter and where can it be found? Everything in the world is made of matter, whether it is a solid, a liquid, or a gas. Important ideas about matter such as volume, mass, and how matter changes state are conveyed through a series of easy-to-do experiments.

"With vivid photographs and simple text, books in this series introduce children to the concepts of currency, exchange, and global diversity. In this book, children learn how people spend money on goods and services around the world."

En los primeros siete números de la colección te hemos enseñado a diseñar personajes, a escribir historias y desarrollarlas... Ahora es el momento de crearles un mundo y un ambiente real donde ambientarlas.

While any number of books focus on farm, jungle, or ocean animals, Busca los animales de tu ciudad concentrates on the animals that children see most often—squirrels, ducks, dogs, cats, butterflies, and more. Photo-real illustrations and concise blocks of text provide information on where these animals come from, how they reproduce, and what they eat, providing kids with a greater understanding of the animals that form such an integral part of their cities. Aunque hay muchos libros que se enfocan en los animales de la granja, la jungla o el océano, Busca los animales de tu ciudad se...