Old Salty and the Mermaid's Map
Old Salty had sailed for seventy years and visited nearly every port in the world. He kept a list of things he had seen: flying fish, waterspouts, whales that sang, an iceberg so blue it hurt your eyes. It was a very long list.
But there was one thing he had never found.
The Glow-Rock.
Other sailors said it was a legend. Old Salty believed in it the way he believed in good weather and honest tides, cautiously, but firmly.
Then, one calm Tuesday, a mermaid knocked on the side of his boat.
"I believe this is yours," she said, holding up his boot. (It had been missing since Wednesday.)
"Thank you," said Old Salty.
"You've been searching for the Glow-Rock," she said. She said it plainly, the way you say something you've known for a while.
Old Salty put down his coffee. "And if I have?"
"I know where it is." She held up a map, something smooth and pale, drawn in ink that shifted colour when the light hit it. Blue, then green, then something in between. "I'll give you this. In exchange for one favour."
"What favour?"
"When you've seen it, you must tell one other person that it's real. Not where to find it. Just that it exists."
Old Salty agreed. He sailed the course the mermaid showed him, three days east, then north by northwest when the moon was exactly half full.
He found it at midnight.
The Glow-Rock sat just below the surface, humming very softly. It lit the sea around it amber and green. Fish circled it in patient spirals, their scales catching the light. The water for half a mile in every direction shimmered, as if lit from somewhere deep inside the ocean.
Old Salty sat on the deck and watched until the sky turned pink.
When he returned to port, he found the youngest sailor in the harbour, a girl of nine with a notebook full of fish drawings, and sat beside her.
"There is a rock, far to the east, that glows like a lamp," he said. "It's real. Remember that."
The girl looked at him seriously and nodded.
Old Salty went home and slept better than he had in years.