¿Foca o león marino? (Seal or Sea Lion?)

If a person were ever face-to-face with a huge, hungry animal with sharp teeth, they probably wouldn’t care exactly what that animal was! But from a safe location, can we tell whether it was a crocodile or alligator that wanted to take a bite? By examining their jaw structure, teeth, and other physical features, we can easily tell these two animals apart! Graphic organizers and amazing images highlight each animal’s habitat and other small differences between the two fearsome creatures, showing readers just what creature is lurking below the waters.

Visiting Tulum National Park is like going back in time. The Maya lived there long ago. Learn addition as you count the things they left behind. This Spanish math book combines math and reading skills and uses real-life examples of problem solving to teach subject-area content. The dynamic images, detailed sidebars, practice problems, and math diagrams make learning addition easy and fun. Text features include a table of contents, a glossary, an index, and captions to build vocabulary and increase understanding of math and reading concepts. An in-depth problem-solving section provides...

Ice cream is a solid. But when it melts, it becomes a liquid. Solids can change to liquids and back again by melting and freezing. Read this Spanish-translated book to learn what happens when heat and cold and solids meet.

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.

José Romera Castillo, recoge las sesiones plenarias, impartidas por destacados dramaturgos (Paco Bezerra, Diana I. Luque, Lola Blasco, Pablo Iglesias Simón, además de Jerónimo López Mozo) e investigadores, así como las comunicaciones expuestas (tras previa selección) en el XXIII Seminario Internacional del Centro de Investigación de Semiótica Literaria, Teatral y Nuevas Tecnologías de la Universidad Nacional de Educación a Distancia, del 26 al 28 de junio de 2013. El volumen, que continúa una larga y rigurosa labor, ofrece una serie de aportaciones pioneras en la investigación...