La naturaleza de la materia (The Nature of Matter)

Give students insight into the Industrial Revolution, how it influenced innovation and employment in the United States, and how it changed the lives of Americans at the beginning of the 20th century. With this nonfiction Spanish-translated book, readers will learn about assembly lines, patents, labor unions, child labor laws, labor unions, muckrakers, and immigrant and slave labor. Colorful images, supporting text, a glossary, and other features keep students engaged and help them better understand the content.

Read Along or Enhanced eBook: Take a journey into the wild world of reptiles and amphibians! Readers will learn about crocodiles, lizards, snakes, tortoises, and salamanders. Featuring a glossary, index, colorful images and charts, intriguing facts, and clear, informative text, readers will be sure to be enthralled as they move through this engaging, Spanish-translated book.

A través de hermosas historias podrán aprender a los primeros hábitos de higiene y del cuidado del cuerpo y del entorno. Cada uno de nosotros, desde nuestro rol en la familia, puede ayudar a las niñas y los niños a desarrollar hábitos positivos de higiene para aprender a conocerse y llevar una vida saludable y feliz desde la infancia. En este libro, Plim Plim y sus amigos acompañan a los más pequeños los primeros hábitos de higiene del cuerpo y del entorno. Con tips, especialmente elaborados por profesionales para ayudar a los adultos a acompañar a los peques en el proceso.

The sun is responsible for all life on Earth, but what exactly is it? Our star is an amazing force that can be as dangerous as it is important. From solar flares to the threat of blowing up altogether, the sun is one of the most interesting things in our solar system. Readers take a trip to the sun to see how it works and exactly what it is made of. Theyll learn about the life cycle of a star and see just how long we have until we have to find a new planet to call home. Dont worry, theyll be happy to learn that (hopefully) we have millions of years left!

Para Heinrich von Kleist (1777-1811) una novela consistía en la narración de un «acontecimiento inaudito», según la definición de Goethe. Sus personajes son héroes hamletianos sometidos a los imponderables del destino, enfrentados a situaciones límite que les plantean retos existenciales que surgen del caos. El presente volumen reúne toda la obra narrativa de Kleist: dos novelas cortas: Michael Kohlhaas y

Introduces Iran, including the geography, people, education, rural and urban life, housing, food, work, and amusements, along with other information about the country.