Los ciclos de la Tierra (Earth's Cycles)

Our closest solar system is about 10 light years away. It has two main types of planets. Some are rocky and small, like planet Earth, while others are huge balls of gas, like Jupiter. Learn about how astronomers once thought our solar system was the one and only, to how they have now discovered hundreds of stars with planets orbiting them, which means there could be billions of solar systems in outer space! Just maybe, these alien worlds could host life, like our own amazing planet. This book allows students to use observations of the Sun, moon, and stars to describe patterns that can be...

Spanish Language Discover Series Books for Babies & Toddlers: Heavy Equipment Get ready for some rough and tumble trucks! In this Discover Series title, 28 tractors, excavators, forklifts and more are featured in big, colorful photographs on white backgrounds. Each page features a photograph of the truck with a simple title beneath. Used as a jumpstart for interaction, Discover Series Picture Books are a great way to introduce new images, words, and concepts to kids. In this Xist Kids Spanish Edition, Spanish text brings the story to new audiences. This book is in Spanish only. There is no...

27 recorridos, muchos de ellos clásicos y otros menos frecuentados, pero todos ellos imprescindibles para conocer uno de los espacios protegidos más singulares del planeta. Rutas en las que el autor sabe, además, cómo inculcar en el lector todo el interés que el itinerario merece, relatando detalladamente cada recorrido y los principales valores ecológicos que han motivado su inclusión en la guía.

La hermana mayor de Philip, Helen, se ha casado, y el debe mudarse con su hermanastra Lucy. Para sobrellevar su nueva vida, Philip decide crear una de esas ciudades magicas que antes construia con su anorada Helen. Pero una noche cae en un profundo sueno que le adentra en un mundo extrano.