Exploremos el ciclo de la roca (Exploring the Rock Cycle)

Dora, una niña mulata, y su abuelo viven realquilados en la casa de la Viuda sin Corazón, que los humilla y los espía con su loro Rigoletto. Un compañero de la clase de Dora, Charli, y su Mala Sombra hacen la vida imposible a Dora. Para explicar a la niña por qué el color de su piel es diferente, su abuelo le cuenta que todos venimos de Pinganillo, el volcán de las burbujas. Dora conseguirá vencer las sombras que la atormentan y recuperar la amistad de Charli. Para ello, va a ser fundamental la ayuda de Liang, la cocinera de un restaurante chino.

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.

Think there's just one fairy tale with an overworked girl and wicked stepsisters? Think again! Cultures all around the world have their own Cinderella stories. Visit Canada, China, Egypt, and France, and find out whose "glass slippers" are made of red silk, and whose "fairy godmother" is a fish. Fully translated Spanish text.

Explore the various islands that make up the Caribbean including the different plants and animals that inhabit this tropical paradise. Bright, dazzling photographs bring the Caribbean to life as readers are exposed to vocabulary related to the unique activities and customs of the Caribbean.