First published in United Kingdom in 2018 by Chicken House.
Summary:
Christopher is 'Proper': a real boy with a real soul, orphaned in a fire. He works for an engineer, a maker of the eccentric, loyal and totally individual mechanicals who are Christopher's best friends. But after a devastating accident, a secret is revealed and Christopher's world is changed for ever...What follows is a remarkable adventure, as Christopher discovers who he really is, and what it means to be human.
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