Colonel Katterfelto has lately returned to London. He departed America under something of a cloud ... of smoke, issuing from his Spiritual Laboratory, which the townsfolk of Wormcast, Arizona, marched upon with their flaming torches. This catastrophic conflagration caused considerable concern to the pious colonel, who had been engaged in the creation of 'Heaven's last and best gift to Mankind', The Mechanical Messiah. And he was, after all, being...