Goliath

Alek and Deryn are back onboard the Leviathan. The ship is ordered to pick up Tesla, a Russian inventor who has created a machine he claims can destroy half of the world, which he is using as a threat to impose peace. Alek wants to the end the war, so decides to back Tesla politically, as do the Darwinists. Meanwhile Deryn is still pretending to be a boy, though Alek has figured out her true ident...