Matemáticas en el cinturón de asteroides (Math in the Asteroid Belt)

November 1940. A circus parade walks through the streets of Warsaw, waving a flag and singing. They are 160 Jewish children, forced by the Nazis to leave their beloved orphanage. It's a sad occasion, but led by Doctor Korczak, their inspirational director, the children are defiantly joyful. Their new home is in the ghetto, a prison for Jews. Two years later they board the train that will carry them away to the death camps. Offered his freedom, Doctor Korczak refuses to abandon the children and proudly joins them on their last journey. This profoundly moving illustrated book is based on the...

DISCOVER WHO LIVED IN CASTLES, WHAT THEY ATE, WHERE THEY SLEPT AND WHAT THEY DID FOR FUN. PHOTOGRAPHS COMBINED WITH COMPUTER GRAPHICS TAKE YOU INSIDE THE WORLD OF CASTLES AS NEVER BEFORE.

Un viaje interactivo para descubrir Sri Lanka, una isla en el Océano Índico, a través de su gente, vida salvaje, tradiciones, cultura, comida, historia, leyendas y deportes. El libro está completamente ilustrado a mano con objetos escondidos para buscar. Su páginas también tienen preguntas para que los lectores puedan relacionarse con lo leído. Pequeños y mayores lo podrán disfrutar juntos y explorar una tierra nueva a través de la belleza de la ilustraciones, animaciones y sonidos mágicos. ¡Vuela con tu imaginación! *Esta versión interactiva únicamente se puede leer con un...

Basic concepts about electricity. Topics include: CA circuits, Serial and parallel circuits, transformers, power distribution and circuit repairs. With questionnaire. Ideal for high-school and college.