Issue 41 of Challenge: The Magazine of Science-Fiction Gaming, published by GDW. The cover depicts two streamlined, retro-futuristic flying craft navigating a rocky canyon and advertises material for Twilight: 2000, Space: 1889, 2300 AD, and Star Trek, including “The Village,” “The Puzzle of the Shard,” “Macrocombat,” and “Dragon’s Flight.”

I have lots of others listed, and always combine postage 

For non UK buyers, please message me and I will create a custom listing with combined postage as the Global Shipping Program doesn't combine postage and I have no control over this, so please message me before to take advantage of the combined postage