Cómo se construye una computadora (How a Computer Is Made)

¡A los niños les encantará aprender a contar y a sumar de la forma más divertida! Este original libro incluye números magnéticos del 1 al 20, dos cuadernillos con sumas sencillas que unas simpáticas abejas magnéticas ayudarán a resolver a los niños y una línea numérica para aprender a contar.

The greatest thinkers of humanity at your fingertips, in minutes! If you thought you would never be able to understand the essential classic authors, you were wrong! With our "Summarized Classics" collection, you will understand the main ideas of the most important thinkers in a very short time and with little effort. The present volume covers the central axes of this discipline. Among them, the reader will find an analysis of the following Genetic Psychology Studies (1973) and Structuralism (1968), among others. It includes a glossary.

Se narra el retorno del camino de éxito de un escritor. Una mañana la servidumbre lo encuentra muerto en su lujosa casa, y la novela discurre siguiendo las pesquisas de aquellos a quienes el escritor recibió la tarde anterior. Pero la investigación se bifurca, pues mientras el joven agente Héctor Álvarez sigue tras las huella del pelirrojo Alfredo Turia, escritor novel, y de la amante de Ignacio Sánchez, el escritor fallecdio, hasta Niza, donde continua la trama.

Rabbit burrows play an important part in the life of a rabbit. A burrow provides a place to live, a place to raise baby rabbits, and a place to stay safe from predators. This volume, which was written to support elementary science curricula, examines the role a burrow plays in the survival of a warren, and how that in turn helps rabbits contribute to ecosystems around the world. The text’s age-appropriate, science-rich content focuses on rabbit behavior and encourages readers to draw connections between what they learn in science class and what they see outside. This text is complemented by ...