num_pages: 32
description: 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.
language: Spanish; Castilian
title: La Tierra (Earth) (Isaac Asimov's Biblioteca del Universo del Siglo XXI (Isaac)
titlecomplete: La Tierra (Earth) (Isaac Asimov's Biblioteca del Universo del Siglo XXI (Isaac) (English and Spanish Edition)
genres: Science
ratings_count: 14
series: Isaac Asimov's Library of the Universe
publisher: Gareth Stevens Publishing