Science Fiction: Earth 2: The Battle (Earth Series for Young Adults) (Volume 2)

In the sequel of Earth 1... The battle of the robots and humans to overthrow the tyranny of the fifths who control human population through fear. Humans are living underground, and the world has been enveloped in toxic clouds. Islands have disappeared and the Fiefs now prevent men and women from being together. Anyone who wants to have a child has to have their permission. Pregnancy is punishable by death. Dr. Mendez, Rebekka and others work to save the earth from this time of darkness.