Mamiferos

Para salvar a su madre, Gou Haoyou se ve obligado a desobedecer a sus mayores y se convierte en jinete de papalotes. Como estrella del Circo Jade emprende un viaje que lo llevar hasta el coraz n mismo de la China del siglo XIII: la corte del gran Kan.

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, ...

This complete Spanish translation of the highly acclaimed Isaac Asimov's 21st Century Library of the Universe is ideal for students still developing their English-language skills.

En las paredes de su cuarto no hay fotos de futbolistas. En su equipo de música no suenan cantantes clónicos ni ritmos prefabricados. En sus estanterías no se acumulan medallas deportivas. En su armario no guarda ropa de marca, confeccionada siguiendo la última moda. En clase escucha y toma apuntes... ¿Es motivo suficiente para llamarle "Eskoria"?