Lytton (Lytton #4)

The hunt is on for the Positron, an artifact held in a warehouse full of alien technology. The mysterious Mr Seaton has tasked Lytton with acquiring it. Barely escaping from Aldwych West, Lytton, Wilson and their new friend Artemis are pursued through a catacomb by androids. Separated, Lytton is imprisoned, while Wilson and Artemis face off against the androids...