Question: Sagas of the Demonspawn is a four issue gamebook series written by J. H. Brennan, and who illustrated the latter two, by which British fantasy and science fiction illustrator and modeler known for his work for Games Workshop's White Dwarf magazine, Warhammer Fantasy Battle, Warhammer Fantasy Roleplay and Warhammer 40,000 games?
Sentence (from "John Blanche"): John Blanche is a British fantasy and science fiction illustrator and modeler known for his work for Games Workshop's White Dwarf magazine, Warhammer Fantasy Battle, Warhammer Fantasy Roleplay and Warhammer 40,000 games and his role as art director for the company, including his work in the field of fantasy miniature painting, and for illustrations for various game book and Fighting Fantasy publications.
Relevant evidence: Yes