We Have Seen the Enemy and They Are Odd

They Are Coming... A present-day alien invasion. Among the public there is apprehension, terror and panic as the invaders quickly reveal their intentions. However, the aliens are not quite what they claim to be. "In forty years, the aliens had not revealed their physical appearance, nor volunteered any information about their home world, despite many requests that they do so. As he signed the report, Colonel Gibson realized something surprising. Two generations had grown up not having known anything of a world without Merlins. For over half the living population of earth, they had always been present..." Humor/Satire 10,000 word novelette