La compra de Luisiana (The Louisiana Purchase)

Swamps are one kind of wetland biome. Like other wetland biomes, a swamp’s water must be clean in order for the wildlife in it to thrive. Readers learn the main features of both freshwater and saltwater swamps, as well as where some of the biggest swamps are on Earth. Science curriculum topics such as food chains and conservation make the main content a great complement to classroom learning. Full-color photographs and inset maps aid readers in identifying this interesting biome in the world around them.

A magnificent graphic novel in which Alfonso Casas parks the irony and offers us all his tenderness. Often the past leaves loose ends, issues to solve, questions that pursue our future. This is what happens to the protagonist of this book, Dani. Just before getting married, under the pretext of a photographic project about the passage of time, he travels to the coastal town where he used to spend his summer during his childhood. A place that he has not stepped on for twenty years and that, as the story progresses, reveals the importance he acquired in his life, because there he discovered,...

Método de español destinado a estudiantes jóvenes y adultos.Nivel A2 del MCER. Versión renovada completamente de un clásico de nuestro catálogo, ahora en 5 niveles. Adaptado a las directrices del Plan Curricular del Instituto Cervantes. Consta de 9 unidades y tres repasos. Incluye Lecturas extra, modelo de examen nivel A2, apéndice gramatical, glosario y la transcripción de las audiciones. Incluye un CD para trabajar la destreza oral.En relación con la edición anterior, la nueva edición se presenta en un formato mayor, con mayor número de ilustraciones y un aumento del número de...

In this stimulating, Spanish-translated nonfiction book, readers will discover the various types of friction--including rolling friction, sliding friction, fluid friction, and static friction--and the huge impact it has on nature, machines, and our lives. In addition, readers are encouraged to perform basic experiments to assist in the understanding of friction, kinetic energy, and water resistance. With real-life examples, colorful images, accommodating graphs and charts, and informational text, this title will inspire and engage children.

Abordando con detalle todos los aspectos del viaje a caballo, este libro permitirá tener éxito en la preparación, la realización y la explotación. Contiene una síntesis estudiada de las soluciones europeas a los problemas de viajes largos, pero también la descripción exhaustiva de las técnicas originales provenientes de la experiencia del autor o tomadas de los pueblos caballistas del Nuevo Mundo.