La prisión de honor

What's the best way to keep the body and mind healthy? This book explores helpful ways to keep bodies in good shape and brain strong as well as the importance of being happy. The language arts connection is important vocabulary about staying healthy.

The famous civil rights leader Dr. Martin Luther King Jr. spoke out against racial and economic injustice until his death - from an assassin's bullet - in 1968. This tumultuous time in history comes to life in over 100 black-and-white illustrations that celebrate of this remarkable man.

Antes era válido acusar a quienes historiaban el pasado de consignar únicamente las «gestas de los reyes». Hoy día ya no lo es, pues cada vez se investiga más sobre lo que ellos callaron, expurgaron o simplemente ignoraron. «¿Quién construyó Tebas de las siete puertas?», pregunta el lector obrero de Brecht. Las fuentes nada nos dicen de aquellos albañiles anónimos, pero la pregunta conserva toda su carga (Carlo Ginzburg).

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