The Geo Challenge

From Author Wars - https://authorwars.com/books/the-geo-challenge-59891.html

Overview:

Title: The Geo Challenge
Author: Kenneth W. Ledbetter
Year: 1989
Type: Short Fiction

Editions/Publications:

Unknown. Amazing Stories, September 1989 (Unknown, Kenneth W. Ledbetter, TSR, $1.75, 162 pages, digest, MAGAZINE)