Conservar y restaurar papel

Count, sort, and classify the dress-up hats, cowboy hats, and silly hats! Beginning readers will enjoy learning to classify and sort objects with this brightly illustrated Spanish book. Featuring vivid images and easy-to-read text, this full-color book develops students' math and reading skills and introduces them to early STEM themes. The Math Talk section includes questions that will increase understanding of basic math and reading concepts and develop students' speaking and listening skills. Learning math is fun and easy with this engaging text!

En Afganistán, desde la llegada de los talibanes, las niñas tenían prohibido ir a la escuela, y las mujeres tenían prohibido salir de su casa sin ir acompañadas por un hombre de su familia. Esta es la historia real de una niña llamada Nasreen. Su abuela decide llevarla a una escuela secreta. Gracias a ella, Nasreen descubrirá nuevos horizontes y compartirá sus experiencias con otras niñas.

When the Louisiana Territory was added to the United States in 1803, it about doubled the size of the young nation. It took years to clarify its boundaries and explore every square mile. How this momentous purchase came to be and its implications on the future of the United States are explained in detail in this book. Uncomplicated maps and simple language help developing readers and those in need of review to understand the many changes in this land that started with its purchase in 1803.

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. They’ll 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. Don’t worry, they’ll be happy to learn that (hopefully) we have millions of years left!