La historia del pueblo de Estados Unidos para jóvenes

Land has many different characteristics. It can be hilly, rocky, grassy, narrow, and dry. Or, it can be flat, smooth, sandy, wide, and wet! This Spanish book introduces students to the concept of landforms. With images that are easy to identify and clear, simple sentence structures, this science reader simplifies scientific concepts for young students as they improve their reading skills. A fun and easy science experiment and Your Turn! activity provide more in-depth opportunities for additional learning. Nonfiction text features include a glossary and an index. Engage students in learning...

Tackle today’s toughest races while learning fractions! Marvel as contestants around the world climb, crawl, run, and jump through the world’s toughest marathons and obstacle courses. This Spanish book combines mathematics and literacy skills, and uses practical, real-world examples of problem solving to teach math and language arts content. Students will learn fractions while engaged in reading high-interest content. The glossary, index, and table of contents will further understanding of reading and math concepts, and the full-color images, practice problems, and math graphs and charts...

Water is all around us! This book features pictures of different places that water can be found. From tide pools, to ponds and rivers, readers discover that there are many places to find water. The language arts connection is the introduction of vocabulary related to places where water is found.

Este apasionante estudio de Maurizio Viroli, que reivindica al tan vapuleado Nicolas Maquiavelo (1469-1527) como uno de los mas inteligentes historiadores y pensadores politicos de todos los tiempos, es el mejor portico de la nueva coleccion Tiempo de Memoria, en su vertiente de Historia. Fundador de la moderna teoria politica, astuto diplomatico al servicio de su Florencia natal y desapasionado observador de los asuntos humanos, Nicolas Maquiavelo ha dado su nombre a una forma de hacer politica. Se le ha asimilado a la figura de un defensor a ultranza de la idea segun la cual el fin...