Question: What British games manufacturer publishes "White Dwarf," a magazine which gave Dragons of Mystery a middling review?
Sentence (from "Pulsating white dwarf"): GW Vir stars may be subdivided into DOV and PNNV stars; they are not, strictly speaking, white dwarfs but "pre-white dwarfs" which have not yet reached the white dwarf region on the Hertzsprung-Russell diagram.
Relevant evidence: No