Merlin's Fireball

Short story, fiction, As Herb, and his wife Esther is looking out their bedrooms window, Herb sees a candle flame hovering about a few feet above their paddock. Phoning the police, and fire brigade, it sets a wild story moving. The flame, turns into a six feet fireball, and something is coming out of this fireball, where the fire isn't even hot.
Is it some magic Merlin has conjured up, or one of his biggest mistake? Read the story, and find out if they really had dragons at this time, and from where would a second dragon arrive?