Unidades de carga en el transporte

From the water they drink to the trees they climb, kids are connected to the natural world in big and surprising ways. With simple, poetic text and exquisite artwork, this book does more than introduce kids to these connections. It sparks their imagination. It starts conversations, and it delights all ages. Combining the ideas of environmental author Elin Kelsey with the inventive three-dimensional dioramas of artist Soyeon Kim, this remarkable picture book reveals ties that are often sensed yet seldom explained. And in a world dominated by technology, never have these incredible connections...

The inspiring and timely story of Sonia Sotomayor, who rose up from a childhood of poverty and prejudice to become the first Latino to be nominated to the US Supreme Court. Before Supreme Court Justice Sonia Sotomayor took her seat in our nation's highest court, she was just a little girl in the South Bronx. Justice Sotomayor didn't have a lot growing up, but she had what she needed -- her mother's love, a will to learn, and her own determination. With bravery she became the person she wanted to be. With hard work she succeeded. With little sunlight and only a modest plot from which to grow,...

“Este libro está escrito para ti, curioso de cualquier edad.” Esta es una de las primeras líneas de El mundo de Max. La ciencia para todos. Vive con Max sus aventuras y descubrirás a través de sus ojos que el mundo está lleno de maravillas. Aquí encontrarás las explicaciones a muchas cosas que suceden a tu alrededor y además podrás comprobarlas tú mismo con los numerosos experimentos sobre la materia, la energía, la luz, la percepción, la electricidad, etc. que se proponen en cada capítulo. ¿Te atreves a conocer cómo es tu mundo en realidad? Si es así... ¡Bienvenido a El...

In 1846, travelers heading for California became trapped high in the mountains of the Sierra Nevada. Snowdrifts surrounded their shelters, and food supplies dwindled. How they stayed alive remains one of the most gruesome stories in US history. However, some facts that have come to light recently through archaeological digs will surprise even those who think they know the story. This gripping book, including maps and images of the era, tells the true account of the doomed Donner party.