Artist unknown, story written by Philip Fiege from his Modern Fairy Tales collection published in 1914. The book can be read in its entirety at Archive.org
Link found thanks to Notes From A Superfluous Man.
Downpour, 1907
Zipizip, 1916
The Bystanders, 1916
The Evil Wizard, 1905
The Burning, 1914-16
Vignette, 1904
Sketches of Night Stucco, 1913
Puppets from "Nachtstuck" 1913
The Red from "Nachtstuck" 1913
Croissant from "Nachtstuck" 1913
"Basilisk" from Der Basilisk, 1937
The Yellow from "Nachtstuck" 1913
Dragon, 1928
The artist responsible for the latest Monster Brains logo created the board game Dungeon Degenerates. It is described as a "DARK AND DIRTY FANTASY BOARD GAME OF SWORDS, SAUSAGES & SORCERY FROM GOBLINKO." You can purchase the game, character packs, expanded world books and a variety of amazingly detailed miniature sculptures of a variety of monsters and characters from the game here.
Detail from Vampir Horror Roman - 049
Detail from Vampir Horror Roman - 018
Detail from Vampir Horror Roman - 045
Detail from Vampir Horror Roman - 033
Detail from Vampir Horror Roman - 003
Detail from Vampir Horror Roman - 006
Detail from Vampir Horror Roman - 023
Detail from Vampir Horror Roman - 017
Detail from Vampir Horror Roman - 010
Vampir Horror Roman - 083, Moloch