Level 7

From Author Wars - https://authorwars.com/books/level-7-2038445.html

Overview:

Title: Level 7
Author: Mike Jarvis Bob Marchant
Year: 1981
Type: Cover Art

Editions/Publications:

Unknown. Level 7 (Unknown, Mike Jarvis, Allison & Busby, ISBN-10: 0850312876, £1.95, 139 pages, Trade Paperback, Novel)
Unknown. Level 7 (Unknown, Bob Marchant, Allison & Busby, ISBN-10: 0850312876, £1.95, 139 pages, Trade Paperback, Novel)