No Quiero Dormir!

Born in 1452, Leonardo da Vinci is still, today, considered one of the most talent people to have ever lived. From his world famous paintings and drawings, such as the Mona Lisa and the Vitruvian Man, to his ingenious inventions of the parachute, the helicopter, and the military tank, da Vince was always a step ahead of his time. Discover the origins of a man who refused to be defined by just one vocation. Whether science and engineering or architecture and art, Leonardo da Vinci was the ultimate Renaissance Man.

This Title Introduces Students To The Basic Concept Of Sounds. How Sounds Can Be Heard But Not Seen. How Sound Is A Form Of Energy That Is Transmitted Through Sound Waves Which Travel Through Your Eardrum To Be Heard. How Sound Travels Through Air And At

With simple examples that are easy to relate to, this basic review of some of the building blocks of economics will help readers easily grasp the concepts. With language that is conversational without being too casual, readers are engaged throughout as they learn about not only these basic concepts but how they fit into the whole economic scheme of things, such as where goods come from. Readers will learn about the three factors of production, as well as what happens when resources are lacking and how that influences the entire economy.

Adiós a las trampas es el resultado de un concurso convocado por el IFE, el Conaculta y la Secodam en donde los niños y los adolescentes mexicanos expresaron su opinión sobre la corrupción en un dibujo. Si bien es difícil predicar con el ejemplo, los niños muestran una conciencia cívica ejemplar; ello es reconocido por los adultos que acompañan los dibujos de este libro: Germán Dehesa, Carlos Elizondo Mayer-Serra, Denise Dresser y Federico Reyes Heroles.