El desierto del amor

Pre-Columbian stories from ancient Mexico. Leyendas prehispanicas mexicanas incluyen Folklore, Historia - Historia General, Historia - Mexico, No ficcion juvenil, America Latina.

Five and counting! So far, astronomers have discovered five dwarf planets in our solar system. Pluto, which was once thought of as the ninth planet, is today classified as a dwarf planet. This book looks at the current dwarf planets, characteristics, size, and orbital patterns, as well as the three rules scientists follow to characterize these tiny, round space objects. Every day new discoveries are being made. Who knows how many dwarf planets we will find in the future! This book will allow students to understand that patterns in the natural world can be observed, used to describe phenomena, ...

A selection of dazzling, full-color graphic novels offer an appealing way to deliver social studies content, chronicling the lives of inspiring individuals, from important historical figures to famous musicians.

La energía es elemento fundamental del mundo contemporáneo, y ha sido la base del desarrollo y dominación del entorno que, nuestra especie, ha venido realizando sobre el entorno y el mundo que nos rodea. Cada nuevo salto en la cultura o en la civilización ha traído aparejado un aumento en la energía (tanto en la producción como en el gasto); por lo tanto, es un componente vital de la sociedad contemporánea. Este libro explora los distintos tipos de energías que existen y se mueve en un amplio abanico porque, entre la energía de los propios músculos y la moderna energía eólica, la ...