The Magic Hat of Mortimer Wintergreen

From Author Wars - https://authorwars.com/books/the-magic-hat-of-mortimer-wintergreen-1079973.html

Overview:

Title: The Magic Hat of Mortimer Wintergreen
Author: Tom Newsom
Year: 1990
Type: Cover Art

Editions/Publications:

Unknown. The Magic Hat of Mortimer Wintergreen (Unknown, Tom Newsom, Harper Trophy, ISBN-10: 0064403351, $3.95, 211 pages, Trade Paperback, Novel)