Cómo funcionan los ecosistemas

Aprenda los colores del arco iris siguiendo un texto lírico. (Learn the colors of the rainbow through the lyrical, rhyming text!) "I’ve learned my colors: green, red, and blue, yellow, purple, orange, and now I’m through." From shiny red apples, to purple violets and yellow bumblebees, the high-quality pictures will have children learning colors quickly. Learn simple English words and phrases with the corresponding version Green, Green Froggy.

CADENA HUMANA, novísmo poemario del Nobel irlandés Seamus Heaney, es, sin duda, la culminación de su obra. Esto significa, simplemente, que haya alcanzado una meta trazada, deseada, soñada, avizorada, calculada o labrada con suma delicadeza y esfuerzo. Además de lo anterior, el autor ha conseguido ahora, en particular, demostrar una notable congruencia con lo que siempre ha pensado, sentido, dicho. Nunca se ha cansado de insistir en que la forma es tanto el ancla como el barco, es decir, debe lograr la perfecta armonía con lo expresado en el poema. En Cadena humana no hay una estructura ...

Comic-strip character Gaturro and his friends Gaturrin, Agatha, and Emilio come to life in this colorful book that follows their adventures. Fun storylines and vivid drawings bring Gaturro and his gang to life.

Computer science is all around us, at school, at home, and in the community. This book gives readers the essential tools they need to understand the computer science concept of debugging. Brilliant color photographs and accessible text will engage readers and allow them to connect deeply with the concept. The computer science topic is paired with an age-appropriate curricular topic to deepen readers' learning experience and show how debugging works in the real world. In this book, readers will investigate what's wrong with a microscope and learn how to fix it. This nonfiction book is paired...