"The Mysteries of London, v. 4/4" by George W. M. Reynolds is a penny blood novel published serially beginning in 1844. This sprawling narrative exposes the stark contrasts of Victorian London, from its criminal underworld to its corrupt aristocracy. Following characters like Richard Markham and the villainous Resurrection Man, the work blends sensational storytelling with social commentary on class inequality and urban vice. The most widely read fiction in mid-nineteenth century Britain, it captivated more readers than Dickens himself.