The Sons of Grekk

From Author Wars - https://authorwars.com/books/the-sons-of-grekk-2498461.html

Overview:

Title: The Sons of Grekk
Author: uncredited
Year: 1966
Type: Short Fiction

Editions/Publications:

Unknown. The Dr Who Annual (1967) (Unknown, uncredited, World Distributors, 10/6, 93 pages, Hardcover, Anthology)