A fabulously rich gold mine in Mexico is known by the picturesque and mysterious name of The Four Fingers. It originally belonged to an Aztec tribe, and its location is known to one surviving descendant. Surprises, strange and startling, are concealed in every chapter of this completely engrossing detective story. And through it runs the thread of a curious love story.

A deserted house with a troubled past. A mysterious countess who captivates everyone with her wealth and beauty -- well, almost everyone. An equally mysterious derelict who holds a secret to the countess's past. A fresh crime that threatens to ruin a promising young doctor. A plucky young governess determined to save him. Who will prevail?

Here are six stories, each one describing a disaster afflicting London, that were popularly serialized during 1903-1904 in Pearson’s Magazine. The tales depict a deep freeze and unprecedented snowfall; a heavy, blinding, paralyzing blanket of fog; a widespread killer virus; a fraudulent scheme causing financial panic; a minor electrical accident in a tunnel that spirals into catastrophe; and most of the city’s water supply, reportedly contaminated with deadly bubonic bacillus, puts the population in great fear of plague. Is the word “doom” in the book's title accurate, or is it just hyperbole?

The Ravenspurs have for generations resided quietly in prosperity and comfort at their seaside castle. But the clan is suddenly besieged with strange happenings which are dwindling the population of the family to only a few which remain, and those few find themselves in fear of becoming the very last of the powerful family if the cause of their untimely deaths and disappearances is not uncovered soon. It will take a great deal of detective work and a touch of travel to help unravel the mystery of the Ravenspurs.

Who is Nostalgo ? Posters with his unsettlingly grinning face are appearing on scaffolds all over London. A murdered body, horribly disfigured and bearing a striking resemblance to the man on the poster, vanishes from a police-station. Jack Masefield wants to protect his fiancée Claire from her shady guardian Anstruther, and before he knows it, he is in the thick of the mystery, unraveling a tale of greed, deception, revenge and dark deeds. - Summary by Sonia