Empujar y jalar (Pushes and Pulls)

While Bo Peep is sleeping, the sheep and a dog go to the hill to play. A boy hears his dog and finds it. Bo Peep hears the boy and his dog but cannot find her sheep. When the sheep hear Bo Peep, they go home.

The idea of the Roaring '20s conjures up images of speakeasies, women with short, saucy hairdos, and hot jazz. Readers will learn about the historical events that define this decade, including the devastating war that preceded it. An explanation about project-based learning will help readers understand how it can help them research their topic in unique and interesting ways. Constructive suggestions offer ideas for projects, while encouraging readers to take their studies in new and interesting directions.

A su paso por Saturno, las sondas Voyager tomaron, en los años 80 del siglo pasado, numerosas fotografías de sus anillos. Aquellas imágenes dieron pie, poco más tarde, a un extravagante experimento. Tras reproducir con suma precisión el diseño de los anillos en forma de surcos sobre un disco de vinilo, la audición desveló por sorpresa, en medio de una sucesión de frecuencias sin sentido, un fragmento de la Ofrenda musical, una de las composiciones más enigmáticas y esotéricas de Johann Sebastian Bach. Este sorprendente resultado podría interpretarse como un atisbo, singular y...

Inspirado en el bestseller #1 del New York Times Ella persistió / She Persisted de Chelsea Clinton y Alexandra Boiger, llega ahora esta serie en Chapter Books sobre mujeres que sobresalieron, lucharon y se levantaron contra viento y marea, como Malala Yousafzai. Durante su niñez en Pakistán, Malala Yousafzai tuvo que luchar contra muchos obstáculos para poder acceder a una educación. Después de ser atacada por el hecho de pelear por ese derecho, Malala llevó su lucha al escenario mundial, exigiendo el derecho a la educación para todas las niñas, en todas partes del mundo. Su...

The United States grew rapidly from the time of the Louisiana Purchase to the building of the Transcontinental Railroad. All of this expansion came at the expense of Native American populations that had either lived in the region for centuries or been forced there from ancestral homes in the East. Tribes memorably fought on their own and together in an doomed effort to retain the land and a lifestyle that had long sustained their families. This book outlines some of the major conflicts of the Westward Expansion, and of the treaties and were signed, and often broken, by representatives of the...