The devil's children

Nicola is twelve when the Changes sweep through England. Her world turns strange almost overnight, and the adults around her are left alone with a new, deep fear of anything mechanical. Nicola is left to fend for herself, moving through a landscape where machines are feared and hated.

This is the third book in Peter Dickinson's Changes trilogy, which follows the first two novels set in the same altered Britain. Dickinson is a British crime novelist who turned to science fiction for young readers in this series.