内容简介：
Charon, the Ferryman of renown, was cruising slowly along the Styx one pleasant Friday morning not long ago, and as he paddled idly on he chuckled mildly to himself as he thought of the monopoly in ferriage which in the course of years he had managed to build up. "It's a great thing," he said, with a smirk of satisfaction - "it's a great thing to be the go-between between two states of being; to have the exclusive franchise to export and import shades from one state to the other, and withal to have had as clean a record as mine has been. Valuable as is my franchise, I never corrupted a public official in my life, and -"