La historia de la inmigración de EE. UU.: Datos (The History of U.S. Immigration: Data)

The asteroid belt between Mars and Jupiter is an intriguing area of our solar system. Scientists have counted over 670,000 known asteroids there, but there could be millions more not yet found. Readers will discover much more about the asteroid belt in this highinterest book, which blends science and math. They'll read about several topics, such as space missions to the asteroid belt and the difference between an asteroid and a planet, and solve associated math problems-just like actual space scientists do!

Take a look inside this book and you'll discover four delightful jigsaws specially designed for tiny hands, with each jigsaw piece that has touchy-feely textures that will help to develop sensory awareness and the concept of matching.

What do you do if you find yourself stranded at sea? This useful, Spanish-translated nonfiction book gives readers the information they need in order to survive at sea. With essential tips and instructions, helpful diagrams and images, a bibliography, and a list of other useful websites, readers will learn everything they need in order to survive--from the dangers of hypothermia, what to do if there's only saltwater available, and other useful survival skills. This 6-Pack includes six copies of this title and a lesson plan.

En las paredes de su cuarto no hay fotos de futbolistas. En su equipo de música no suenan cantantes clónicos ni ritmos prefabricados. En sus estanterías no se acumulan medallas deportivas. En su armario no guarda ropa de marca, confeccionada siguiendo la última moda. En clase escucha y toma apuntes... ¿Es motivo suficiente para llamarle "Eskoria"?