Cómo ser adolescente y ser felíz en el intento

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. They’ll 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. Don’t worry, they’ll be happy to learn that (hopefully) we have millions of years left!

During the American Civil War, the United States was on the brink of falling apart irrevocably. As states seceded and brother turned against brother, hope for reconciliation was dim. This conflict, an essential topic of the social studies curriculum, is skillfully presented from its origins in the Southern slave-trade economy to bloody battles and, later, Reconstruction. Striking photographs and artwork of integral events and people will resonate with readers, while interesting sidebar information gives them more to reflect on about this terrible war and the lessons it taught us.

Introduces the concept of heat, how it's created, how it affects materials around it, and how heat is used.

Un libro para conocer la vida cotidiana de otros niños en diferentes partes del mundo y aprender a respetar otras culturas. Lanhua tiene doce años y vive en Shanghai. A través de su diario nos muestra cómo es su casa, su familia, su colegio, su barrio, sus costumbres... En definitiva, nos abre una puerta a su vida para conocer, de primera mano, cómo es su país. Además del diario de Lanhua, este libro incluye muchos datos que completan la información y dan respuesta a muchas de las preguntas que los niños se hacen sobre China. El libro tiene muchas solapas para levantar y un...