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.

Completo panorama de la creación poética del Grupo del 27 a través de 40 composiciones de sus principales representantes -de Dámaso Alonso a García Lorca, pasando por Alberti o Cernuda-, con abundantes notas y un conjunto de actividades y comentarios dirigidos al alumno.

Who were the earliest Americans? When, how, and from where did they enter and spread across the continent? And what is their relationship to modern Native Americans? Anthropologists develop theories to answer these questions based on the evidence they discover. Their theories—and the discoveries that prove and disprove them—are highlighted in this fascinating volume, full of awe-inspiring facts and incredible breakthroughs. Readers will feel like anthropologists and archaeologists themselves as they read about bones and artifacts, and what they reveal about the ancient cultures that roamed...

Learn all about the amazing things your brain does and how to keep it healthy and strong! Readers will discover the anatomy of the brain including neurons, the cerebellum, and the nervous system. Using vibrant images and informational text in conjunction with supportive diagrams, this Spanish-translated nonfiction title encourages readers to learn all about (and use) their brains.

Apasionada por el universo imaginario de las diferentes culturas africanas en Cuba, Lydia Cabrera inició en París la publicación de una extensa obra de investigación. Contes négres de Cuba (1936), traducidos por Francis de Miomandre, se acogía la poderosa corriente que las culturas africanas habían despertado en Europa de la mano de Leo Frobenius, Blaise Cendrars y Paul Morand, entre otros. Concebidos inicialmente como una serie de relatos para aliviar la enfermedad de su amiga Teresa de la Parra, el libro atrajo inmediatamente la atención de la crítica. De regreso a Cuba en 1939,...