Mi Mundo (My World) ¿Qué es una estación?

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.

Mars is perhaps the most thrilling planet these days. With rovers exploring its surface and manned missions in the works, people are wondering if Mars is our next home! In this highinterest book, readers will learn more about Earth's neighbor, including what its climate and surface are like, why it's called the Red Planet, and about the recent discovery of water on its surface. They'll learn all this while solving "Your Mission" math problems that complement and support the text. This motivating volume is an engaging way to explore key aspects of science and math curricula.

Simple text and photographs show how common shapes can be put together to create new and different ones.

A través de recuerdos personales, conversaciones íntimas, fragmentos de diarios y cartas en las que Diana revela su temor a ser asesinada en un falso accidente de coche, Burrell nos ofrece un testimonio extraordinario sobre la monarquía y sobre la azarosa vida y trágica muerte de una de las figuras más carismáticas de nuestro tiempo.