Das grüne Gnu

From Author Wars - https://authorwars.com/books/das-grune-gnu-1965958.html

Overview:

Title: Das grüne Gnu
Author: John Buchan
Year: 2010
Type: Short Fiction

Editions/Publications:

Unknown. Das rote Zimmer (Unknown, John Buchan, Festa, ISBN-10: 9783865520883, €28.00, 348+[4] pages, Hardcover, Anthology)
2018 . Lovecrafts dunkle Idole Band I & II (2018, John Buchan, Festa, ISBN-10: 9783865526632, €13.99, 608 pages, Trade Paperback, Omnibus)