"Red Money" by Fergus Hume is an enthralling crime novel that takes readers into the seedy underbelly of Victorian London. The story revolves around a notorious criminal mastermind known as The Red Mephisto, who is orchestrating a series of daring heists and leaving a trail of bloodshed in his wake.

When a wealthy merchant is found brutally murdered with a crimson-stained banknote left at the crime scene, Detective Horace Byrant is assigned to the perplexing case. As he delves deeper into the twisted world of greed, betrayal, and deception, Byrant finds himself entangled in a dangerous game of cat and mouse with The Red Mephisto.

Hume's vivid descriptions, atmospheric settings, and intricate plot twists keep readers guessing until the final pages. "Red Money" is a gripping tale of crime, suspense, and relentless pursuit, showcasing Hume's skill in crafting compelling mysteries.