Leyendas Mapuches Contadas Para Niños

Ogbi Ugbu ha venido de África. En una patera. Tan sólo tiene diez años y ya ha recorrido su país escondido en la noche. Ha sentido el cansancio, el miedo y el hambre. Y la tristeza. Pero en España ha hecho muchos amigos y es muy feliz. Quizás cuando se reúna con toda su familia, lo será del todo.

Defines screws, explains their functions, and suggests simple experiments to demonstrate how they work.

The turbulent atmosphere of suburban Barcelona hides the social isolation of a juvenile misfit. A young man fascinated by private detectives becomes entangled in a strange and dangerous case of academic dishonesty.

The asteroid belt between Mars and Jupiter is an intriguing area of our solar system. Scientists have counted over 670,000 known asteroids there, but there could be millions more not yet found. Readers will discover much more about the asteroid belt in this highinterest book, which blends science and math. They'll read about several topics, such as space missions to the asteroid belt and the difference between an asteroid and a planet, and solve associated math problems-just like actual space scientists do!