¿Qué Son Los Proveedores y Consumidores? (What Are Producers and Consumers?)

There is a contest at a school to design a new playground. The students use blocks to build their models. As they build, they use three-dimensional shapes. Some students build a train out of blocks for the younger students to play on. Can you guess which three-dimensional shape they use for the train's wheels? Read to find out which design wins.

A la poesía taurina, dice Carlos Marzal, le conviene ser menos taurina que poética. La propia riqueza ritual de la fiesta, en efecto, representa uno de sus mayores riesgos literarios, porque pone a disposición de los poetas un atrezo, un repertorio de elementos adjetivos que tienden al tremendismo o los oropeles gremiales, el costumbrismo circunstancial o la grandilocuencia funeraria. Buscando la sutileza, la levedad, y al mismo tiempo el núcleo esencial de la tauromaquia, esta antología personal prescinde de los clásicos más obvios -Manuel Machado, Gerardo Diego, Lorca, Alberti o...

Find out the truth about our bodies and learn exactly what makes us human in this fascinating, Spanish-translated nonfiction title! Featuring detailed, vibrant images, diagrams, and charts that familiarize readers with digestion, the circulatory system, and bacteria in conjunction with biological and anatomical vocabulary, readers will learn all about gross anatomy, some of the amazing things our bodies can do, and how it performs day-to-day activities--from digesting to pumping blood.

Audisee® eBooks with Audio combine professional narration and text highlighting for an engaging read aloud experience! Los delfínes son conocidos por ser juguetónes intelligentes—que más podemos aprender sobre ellos? Ahora en español, este título involucra a lectores jóvenes a medida que aprenden todo acerca estes mamiferoes del mar. Fotos de color agregan interés visual, y preguntas de consideración ayudan animar lectores durante su desarrollo de leer libros de no ficción. Dolphins are known for being playful and intelligent—what else can we learn about them? Now in Spanish,...