After taking his experimental medicine, a kind and gentle doctor can turn himself into a murderous madman.

Everyone has a dark side. Dr Jekyll has discovered the ultimate drug. A chemical that can turn him into something else. Suddenly, he can unleash his deepest cruelties in the guise of the sinister Hyde. Transforming himself at will, he roams the streets of fog-bound London as his monstrous alter-ego. It seems he is master of his fate. It seems he is in complete control. But soon he will discover that his double life comes at a hideous price...

A London physician leads a double life when he discovers a drug that alters his appearance and disposition. In addition, stories of the supernatural are included.

In a collection of four stories, Dr. Jekyll finds himself transformed by a scientific experiment, a murderer confronts the devil, a magic bottle possesses a strange curse, and graverobbers turn to murder.

While going through the possessions of deceased guest who owed them money, the mistress of the inn and her son find a treasure map that leads to a pirate s fortune as well as great danger.

A collection of Stevenson's short stories found in one volume. Titles include Dr Jekyll and Mr Hyde, Markheim, Lodging for the Night, Thrawn Janet, The Body Snatcher and The Misadventures of John Nicholson.