The Professor and Ace arrive in present-day London to find the city strangely changed. England is a republic, ruled by an elderly Lord Protector more interested in a mysterious comet than the long-suppressed forces of revolution fomenting in his kingdom.
Written by Micah K. Spurling, based on the script by Mark Gatiss. Edited by James Hornby. Cover design Lucy Wood-Ives. Series Editor Bill Baggs
Page count: 212