Exploremos los minerales de la Tierra (Exploring Earth's Minerals)

When winter hits, many people in colder climates spend most of their time indoors. But what do wild animals do? Some animals spend winters hibernating. Beginning readers will learn what hibernation is, why some animals hibernate and others don't, and how hibernating animals prepare for their long sleep. Full-color photographs grab readers' attention and allow them to draw connections to the narrative. Readers will love learning about this mysterious, restful time in some animals' lives.

The Industrial Revolution brought important changes to America. People began migrating to cities for work, and immigrants began to arrive in American in larger numbers than ever before as they looked for new employment opportunities. Readers explore the impact of the Industrial Revolution on U.S. migration and immigration patterns. As readers learn about essential social studies curriculum topics, engaging historical images and detailed primary sources hold their interest. This transformative period in American history comes alive for readers with each turn of the page.

Ésta es la historia de dos príncipes hermanos unidos por su lucha común contra el usurpador que provocó la muerte de su padre y robó su trono. Ambos irán distanciándose en una rivalidad por la pasión que despierta en ellos la misma fascinante mujer, y porque las propias gestas que les reportan poder y gloria también les hacen saborear el sutil veneno del orgullo, la ambición y la envidia... pues sólo uno puede ceñir la corona. Leeréis una epopeya fantástica pero pseudohistórica, en un mundo imaginario lleno de aventuras.

Manifest Destiny the name given in the 1840s to a belief that the coast-to-coast expansion of the United States was both inevitable and justified, regardless of the means. Standing in the way were not only the native populations, but also the descendants of Spanish settlers who had lived in the Southwest for centuries. The racist belief that white men rightfully should expand their institutions into the area brought the United States into conflict with Mexico. War was declared in 1846, and by the time the Treaty of Guadalupe Hidalgo was signed in 1848, ending the war, the US had gained...

"El niño de los pies zambos" es el ejemplo, por desgracia, de lo que tienen que sufrir numerosas mujeres en la sociedad actual. María, su protagonista, lucha diariamente con los contratiempos que la vida le va imponiendo, con la principal motivación de salvaguardar a sus dos pequeños, que sufren el maltrato y el abandono de su padre. Manuel Morera, tras el éxito obtenido con su primera publicación, "Manolín ya es un hombre", nos vuelve a demostrar su habilidad para describir situaciones cotidianas de manera fácil y espontánea, enganchándote y atrapándote hasta el final.