British paperback, 172 pages. 1982 This is a "very good" vintage paperback. The spine is tight and square, the covers close tight and flat. No writing, no loose, torn or folded pages. The upper portion of the text block is tanned and there is foxing inside the covers. Mild surface wear to glossy covers. There is a scuff in the surface of the back cover at the bottom where it appears a label may have been pulled off. Please review accompanying images for full condition details. What kind of evil forces is the Doctor dealing with? Find out in this wonderful vintage paperback! Will ship to you promptly, carefully packaged.

British paperback, 122 pages. 1984 This is a "very good" or better vintage paperback. The spine is tight and square, the covers close tight and flat. No writing, no loose, torn or folded pages. The upper portion of the text block is lightly tanned. Mild surface wear to glossy covers. Please review accompanying images for full condition details. Will the Doctor thwart the Master's Doomsday Plan?! Find out in this wonderful vintage paperback! Will ship to you promptly, carefully packaged.