El árbol generoso

Simple text and photographs introduce the concept of symmetry as displayed by familiar creatures and objects.

Coders are one of the reasons our computers, tablets, and smartphones can do things we couldn't have even imagined just a few years ago. It's no surprise that coders are in high demand right now and that isn't likely to slow down. Readers will learn about the basics of coding and how to turn their creative ideas into reality on the computer screen. They'll also understand why coding will become even more important as technology continues to grow and change. Colorful photographs showing the roles and education of a coder provide readers with an easy way to envision themselves in this...

During the summer, it is warm outside. During the winter, it is cold. This is because of seasons. This Spanish science reader introduces students to the seasons. With easy-to-read text and vivid images, this book teaches students important scientific subjects and vocabulary terms like migrate, hibernate, cycle, and harvest. Aligned to state and national standards, the book contains nonfiction text features like an index, a glossary, captions, and bold font to keep students connected to the text. A hands-on science experiment helps students apply what they have learned and develops critical...

La 'Gramática de la Lengua Española' es el resultado de más de diez años de trabajo del catedrático y académico Emilio Alarcos Llorach. Ha sido redactada buscando el equilibrio entre la claridad y el rigor de la exposición, y concebida con una intención normativa y didáctica, por lo que constituye algo más que un mero tratado teórico de la materia. En ella se exponen los rasgos de la gramática del español en los actos orales y escritos de los usuarios de la lengua en este siglo XX, descritos según un hilo conductor consecuente y con una orientación metodológica funcionalista.