Gramática de la lengua española

Un anciano aparece muerto en un granja de la provincia de Lleida, y en un principio todo apunta a que ha sido asesinado. Junto a él se descubren una serie de documentos que permiten sospechar que, en el pasado, la víctima pudo estar relacionada con un agente de la Stasi, la temida policía estatal de la República Democrática Alemana.

Students will learn area and perimeter while engaged in reading about a day in the life of a contractor! This Spanish engaging book uses real-world examples to teach math concepts, and incorporates nonfiction reading to increase vocabulary and comprehension skills. The challenging practice problems, graphs, and sidebars provide many opportunities for students to practice their developing math skills, and apply what they've learned to their daily lives. Essential text features like a glossary, index, and table of contents will increase students' interest level and their interaction with the...

Presents poetry by the editors and by poets from Puerto Rico, Mexico, and Argentina, along with traditional verse.

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!