Steve picked up his buoys, a black and then two red, and swung the cruiser in toward the mouth of the Ipswich River.

The chart showed feet instead of fathoms in places and Steve slowed down cautiously until they were in the channel.

They left Ipswich Light on the port beam and kept on past the river mouth and into the sound.
"What happens," asked Harry Corwin, looking at the chart over Steve's shoulder, "when there aren't any soundings shown ?" "Just what I was wondering myself," replied the navigator.

"It doesn't tell you anything after you pass that last red spar buoy.

Still, with those two rivers coming in beyond up there, there must be enough water for us if we can find it.