Cambridge IGCSE® Spanish as a First Language Workbook

En el Ártico, cada vez se derrite más hielo en verano. Esto es un gran problema para los osos polares, que necesitan el hielo para sobrevivir, y también es un gran problema para todo el mundo, por que todo nuestro planeta necesita el hielo del Ártica para

Este libro de pegatinas está diseñado para niños de tres años en adelante. Ofrece sencillas y divertidas actividades que ayudarán a los niños a descubrir los números y las formas, con la ayuda de sus personajes Disney favoritos.

"Dino" Don Lessem brings readers face-to-face with various dinosaur species, detailing their habitats, way of life and how they became extinct. An acclaimed dinosaur expert, Don Lessem has written more than 30 children's books, writes a popular dinosaur column in Highlights magazine, and was an adviser for Jurassic Park. Take a trip through dinosaur time to meet these sea giants face-to-face: The Archelon was similar to a turtle, but its shell was made of crossed rib bone covered in rubbery skin! The Mososaurs had huge pointy jaws and grew to be fifty feet long! The Ichthyosaurs looked a lot...

Simple text and pictures introduce facts about snowplows and tells what they are used for and why they are important.