As Quebec City shivers in the grip of winter, its ancient stone walls cracking in the cold, Chief Inspector Armand Gamache plunges into the strangest case of his celebrated career. A man has been brutally murdered in one of the city’s oldest buildings - a library where the English citizens of Quebec safeguard their history. And the death opens a door into the past, exposing a mystery that has lain dormant for centuries... a mystery Gamache must solve if he’s to catch a present-day killer.

It's the height of summer, and the wealthy Finney family have gathered at the Manoir Bellechasse to pay tribute to their late father. But as the temperature rises, old secrets and bitter rivalries begin to surface. When the heat wave boils over into a mighty storm, a dead body is left in its wake. Chief Inspector Gamache, a guest at the Bellechasse, finds himself with a building full of suspects. With the hotel locked down, the murderer is trapped. But a cornered predator is always the most dangerous of all...

It's Easter, and on a glorious Spring day in peaceful Three Pines, someone waits for night to fall. They plan to raise the dead.... When Chief Inspector Gamache of the Surete du Quebec arrives the next morning, he faces an unusual crime scene. A séance in an old abandoned house has gone horrifically wrong and someone has been seemingly frightened to death. In indyllic Three Pines, terrible secrets lie buried, and even Gamache has something to hide. One of his own team is about to betray him. But how far will they go to ensure Gamache's downfall?

“Hearts are broken,” Lillian Dyson carefully underlined in a book. “Sweet relationships are dead.” But now Lillian herself is dead. Found among the bleeding hearts and lilacs of Clara Morrow's garden in Three Pines, shattering the celebrations of Clara's solo show at the famed Musée in Montreal.

Winter in Three Pines, and the sleepy village is carpeted in snow. It's a time of peace and goodwill - until a scream pierces the biting air. A spectator at the annual Boxing Day curling match has been fatally electrocuted. Despite the large crowd, there are no witnesses and - apparently - no clues. Chief Inspector Armand Gamache discovers a history of secrets and enemies in the dead woman's past.

No outsiders are ever admitted to the monastery of Saint-Gilbert-Entre-les-Loups, hidden deep in the wilderness of Quebec, where two dozen cloistered monks live in peace and prayer. They grow vegetables, they tend chickens, they make chocolate. And they sing. Ironically, for a community that has taken a vow of silence, the monks have become world-famous for their glorious voices, raised in ancient chants whose effect on both singer and listener is so profound it is known as “the beautiful mystery.”

Shadows are falling on the usually festive Christmas season for Chief Inspector Armand Gamache. When Gamache receives a message from Myrna Landers that a longtime friend has failed to arrive for Christmas in the village of Three Pines, he welcomes the chance to get away from the city. Gamache soon discovers the missing woman was once one of the most famous people not just in North America, but in the world, and now goes unrecognized by virtually everyone. As events come to a head, Gamache is drawn ever deeper into the world of Three Pines.

The discovery of a dead body in the woods on Thanksgiving Weekend brings Chief Inspector Armand Gamache and his colleagues from the Surete du Quebec to a small village in the Eastern Townships. Gamache cannot understand why anyone would want to deliberately kill well-loved artist Jane Neal, especially any of the residents of Three Pines - a place so free from crime it doesn't even have its own police force.

Hardly a day goes by when nine-year-old Laurent Lepage doesn't cry wolf. From alien invasions to walking trees to winged beasts in the woods to dinosaurs spotted in the village of Three Pines, his tales are so extraordinary no one can possibly believe him. Including Armand and Reine-Marie Gamache, who now live in the little Quebec village.

When an intricate old map is found stuffed into the walls of the bistro in Three Pines, it at first seems no more than a curiosity. But the closer the villagers look, the stranger it becomes. Given to Armand Gamache as a gift the first day of his new job, the map eventually leads him to shattering secrets. To an old friend and older adversary. It leads the former Chief of Homicide for the Sûreté du Québec to places even he is afraid to go. But must. And there he finds four young cadets in the Sûreté academy, and a dead professor. And, with the body, a copy of the old, odd map.