Libros de Richard Hantula (3 libros)
Venus (Venus)
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.
La Tierra (Earth)
Offers a description of Earth, the third planet from the sun, which includes information on its origins, composition, and unique characteristics.
El Sol (The Sun)
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.