Logic can be a frightening thing. The power of the mind to apply reason to a problem is often the most highly praised talent of humanity; and yet I have learned from vile and grim experience that pure deduction is capable of reducing a man to mewling and shuddering paroxysms of despair. Not so long ago I was that man. Indeed, in many ways, I still am. Logic is the origin of my misery, the bane of my soul. wasIt began with a mildly philosophical discussion about those legendary beings known as vampires. I was talking to my neighbour and friend, Mr Damocles Blinker. He had won fame in his youth as an explorer of weird lands and beliefs, travelling the world and learning arcane secrets from a succession of improbable priests, gurus and occultists. Of all his meetings the most memorable had b

