Mastermind of Oz

From Author Wars - https://authorwars.com/books/mastermind-of-oz-1103357.html

Overview:

Title: Mastermind of Oz
Author: Nick Smith
Year: 1993
Type: Interior Art

Editions/Publications:

Unknown. Amazing Stories, April 1993 (Unknown, Nick Smith, TSR, $3.95, 100 pages, bedsheet, MAGAZINE)