Chrysalids

The society of Waknuk has survived a nuclear war. The people have, however, only a dim memory of that period and refer to it as Tribulation, a time during which mankind had to pay for its sins. Only the war happened a long time ago, radiation still contaminates the living world outside the small community. Whenever any evidence of contamination is found within Waknuk, the inhabitants immediately eliminate the offending plant, animal, or...... person. The …

…are pursued by the people of Waknuk, including David's own father. In the Fringes they are captured by the deviate inhabitants there. All this time, Petra has kept, through her awesome telepathic powers, in touch with a distant civilization in New Zealand (Sealand). These people, who are all telepathic, rescue the fugitives right in the middle of a battle between the Waknuk and Fringes people. David, Petra, and Rosalind escape per helicopter to New Zealand.