The clue to the location of a character hiding somewhere in the solar system is a vertical line followed by a circle.
The actual title of this short story is a vertical line followed by a circle.
| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| March 1982 |
|
Analog Science Fiction/Science Fact, March 1, 1982 | Davis Publications | MAGAZINE | 104 |