“The Green Mummy” by Fergus Hume is a novel likely written during the late 19th century. The story revolves around a young couple, Archie Hope and Lucy Kendal, as they navigate romance against a backdrop filled with mystery and intrigue, particularly centering on a rare mummy that Lucy’s archaeologist stepfather, Professor Braddock, is eager to acquire. A public-domain classic by Fergus Hume.