Esme is born into a world of words. Motherless and irrepressibly curious, she spends her childhood in the Scriptorium, an Oxford garden shed in which her father and a team of dedicated lexicographers are collecting words for the very first Oxford English Dictionary. Young Esme’s place is beneath the sorting table, unseen and unheard. One day a slip of paper containing the word bondmaid flutters beneath the table. She rescues the slip and, learning that the word means “slave girl,” begins to collect other words discarded or neglected by the dictionary men.

In a sprawling mansion filled with peculiar treasures, January Scaller is a curiosity herself. As the ward of the wealthy Mr. Locke, she feels little different from the artifacts that decorate the halls: carefully maintained, largely ignored, and utterly out of place. Then she finds a strange book. A book that carries the scent of other worlds and tells a tale of secret doors, of love, adventure, and danger. Each page turn reveals impossible truths about the world, and January discovers a story increasingly entwined with her own.

August 1939: London is dismal under the weight of impending war with Germany as Hitler’s forces continue to sweep across Europe. Into this uncertain maelstrom steps Grace Bennett, young and ready for a fresh start in the bustling city streets she’s always dreamed of - and miles away from her troubled past in the countryside. With aspirations of working at a department store, Grace never imagined she’d wind up employed at Primrose Hill, an offbeat bookshop nestled in the heart of the city - after all, she’s never been much of a reader.

Hans Castorp is, on the face of it, an ordinary man in his early 20s, on course to start a career in ship engineering in his home town of Hamburg, when he decides to travel to the Berghof Santatorium in Davos. The year is 1912 and an oblivious world is on the brink of war. Castorp’s friend Joachim Ziemssen is taking the cure and a three-week visit seems a perfect break before work begins. But when Castorp arrives he is surprised to find an established community of patients, and little by little, he gets drawn into the closeted life and the individual personalities of the residents.

Rhode Island, 1846. Estranged from his family, writer Merritt Fernsby is surprised when he inherits a remote estate in the Narragansett Bay. Though the property has been uninhabited for more than a century, Merritt is ready to call it home—until he realizes he has no choice. With its doors slamming shut and locking behind him, Whimbrel House is not about to let Merritt leave. Ever.

Summer 1940: Hedy Bercu fled Vienna two years ago. Now she watches the skies over Jersey for German planes, convinced that an invasion is imminent. When it finally comes, there is no counterattack from Allied forces - the Channel Islands are simply not worth defending. Most islanders and occupying forces settle into an uneasy coexistence, but for Hedy, the situation is perilously different. For Hedy is Jewish — a fact that could mean deportation, or worse.

The Bahamas, 1941. Newly widowed Leonora “Lulu” Randolph arrives in Nassau to investigate the governor and his wife for a New York society magazine. After all, American readers have an insatiable appetite for news of the duke and duchess of Windsor, that glamorous couple whose love affair nearly brought the British monarchy to its knees five years earlier. What more intriguing backdrop for their romance than a wartime Caribbean paradise, a colonial playground for kingpins of ill-gotten empires? Or so Lulu imagines.

On an unnamed island off an unnamed coast, objects are disappearing: first hats, then ribbons, birds, roses - until things become much more serious. Most of the island's inhabitants are oblivious to these changes, while those few imbued with the power to recall the lost objects live in fear of the draconian Memory Police, who are committed to ensuring that what has disappeared remains forgotten. When a young woman who is struggling to maintain her career as a novelist discovers that her editor is in danger from the Memory Police, she concocts a plan to hide him beneath her floorboards.

By day, 17-year-old Jo Kuan works as a lady's maid for the cruel daughter of one of the wealthiest men in Atlanta. But by night, Jo moonlights as the pseudonymous author of a newspaper advice column for the genteel Southern lady, "Dear Miss Sweetie". When her column becomes wildly popular, she uses the power of the pen to address some of society's ills, but she's not prepared for the backlash that follows when her column challenges fixed ideas about race and gender.

After a whirlwind romance, London teashop waitress Fleur Richards can’t wait for her new husband, Hugh, to return from the Great War. But when word of his death arrives on Armistice Day, Fleur learns he has left her a sizable family fortune. Refusing to accept the inheritance, she heads to his beloved home country of Australia in search of the relatives who deserve it more.

American socialite Lily Durham is known for enjoying one moment to the next, with little regard for the consequences of her actions. But just as she is banished overseas to England as a “cure” for her frivolous ways, the Great War breaks out and wreaks havoc. She joins her cousin in nursing the wounded at a convalescent home deep in the wilds of Scotland at a crumbling castle where its laird is less than welcoming.

Australia, 1906: Orphan Jane Piper is nine years old when philanthropist siblings Michael and Elizabeth Quinn take her into their home to further her schooling. The Quinns are no strangers to hardship. Having arrived in Australia as penniless immigrants, they now care for others as lost as they once were. Despite Jane’s mysterious past, her remarkable aptitude for mathematics takes her far over the next seven years, and her relationship with Elizabeth and Michael flourishes as she plays an increasingly prominent part in their business.

As the daughter of Sir Alfred Whitford, Kat has a certain set of responsibilities. Chasing her wayward sister, Ellie, to Nazi-occupied Paris was never supposed to be one of them. Now accustomed to the luxurious lifestyle that her Nazi boyfriend provides, Ellie has no intention of going back to the shackled life their parents dictate - but Kat will stop at nothing to bring her sister home.

Onna Gebowa is determined to become a great wizard. She can write the parameters of a spell faster than any of the young men in her village school. But despite her incredible abilities, she’s denied a place at the nation’s premier arcane academy. Undaunted, she sails to the bustling city-state of Hexos, hoping to find a place at a university where they don’t think there’s anything untoward about providing a woman with a magical education.

When Captain Rafe Lancaster is invalided out of the Britannic Imperium's Aero Corps after crashing his aerofighter during the Second Boer War, his eyesight is damaged permanently, and his career as a fighter pilot is over. Returning to London in late November 1899, he's lost the skies he loved, has no place in a society ruled by an elite oligarchy of powerful Houses, and is hard up, homeless, and in desperate need of a new direction in life. Everything changes when he buys a coffeehouse near the Britannic Imperium Museum in Bloomsbury, the haunt of Aegyptologists.

After a whirlwind romance, London teashop waitress Fleur Richards can’t wait for her new husband, Hugh, to return from the Great War. But when word of his death arrives on Armistice Day, Fleur learns he has left her a sizable family fortune. Refusing to accept the inheritance, she heads to his beloved home country of Australia in search of the relatives who deserve it more.

In the cold Toronto winter of 1895, the naked body of a servant girl is found frozen in a deserted laneway. The young victim was pregnant when she died. Detective William Murdoch soon discovers that many of those connected with the girl's life have secrets to hide. Was her death on attempt to cover up a scandal in one of the city's influential families?

On the verge of a stilted life as an aristocrat's wife, Poppy Hammond does the only sensible thing - she flees the chapel in her wedding gown. Assisted by the handsome curate who calls himself Sebastian Cantrip, she spirits away to her estranged father's quiet country village, pursued by the family she left in uproar. But when the dust of her broken engagement settles and Sebastian disappears under mysterious circumstances, Poppy discovers there is more to her hero than it seems.

World War II has just ended, and Britain has established the Control Commission for Germany, which oversees their zone of occupation. The Control Commission hires British civilians to work in Germany, rebuild the shattered nation, and prosecute war crimes. Somewhat aimless, bored with her job as a provincial schoolteacher, and unwilling to live with her overbearing mother any longer, 30-something Edith Graham applies for a job with the Commission - but she is also recruited by her cousin Leo, who is in the Secret Service.

At Montverre, an ancient and elite academy hidden high in the mountains, society's best and brightest are trained for excellence in the grand jeu—the great game—an arcane and mysterious competition that combines music, art, math, poetry, and philosophy. Léo Martin once excelled at Monteverre, but lost his passion for scholarly pursuits after a violent tragedy. He turned to politics instead, and became a rising star in the ruling party, until a small act of conscience cost him his career. Now, he has been exiled back to Monteverre, his fate uncertain.

The Bahamas, 1941. Newly widowed Leonora “Lulu” Randolph arrives in Nassau to investigate the governor and his wife for a New York society magazine. After all, American readers have an insatiable appetite for news of the duke and duchess of Windsor, that glamorous couple whose love affair nearly brought the British monarchy to its knees five years earlier. What more intriguing backdrop for their romance than a wartime Caribbean paradise, a colonial playground for kingpins of ill-gotten empires? Or so Lulu imagines.

When a respected surgeon decides to transplant human body parts into a stray dog, he creates a monster - drunken, profligate, aggressive and selfish. It seems the worst aspects of the donor have been transplanted as well. As his previously well-regulated home descends into riotous chaos, the doctor realises he will have to try to reverse the operation; but the dog isn't so keen....

When the Germans march into Denmark, Baron Henrik Ahlefeldt exchanges his nobility for anonymity, assuming a new identity so he can secretly row messages for the Danish Resistance across the waters to Sweden. American physicist Dr. Else Jensen refuses to leave Copenhagen and abandon her research-her life's dream. While printing resistance newspapers, she hears stories of the movement's legendary Havmand-the merman-and wonders if the mysterious and silent shipyard worker living in the same boardinghouse has something to hide.

Hans Castorp is, on the face of it, an ordinary man in his early 20s, on course to start a career in ship engineering in his home town of Hamburg, when he decides to travel to the Berghof Santatorium in Davos. The year is 1912 and an oblivious world is on the brink of war. Castorp’s friend Joachim Ziemssen is taking the cure and a three-week visit seems a perfect break before work begins. But when Castorp arrives he is surprised to find an established community of patients, and little by little, he gets drawn into the closeted life and the individual personalities of the residents.

Molly Graham doesn't believe in love at first sight or fairy tales. She's been burned too many times before. But when she stumbles across a very handsome British professor, Albert George, seeking refuge in her office during the Museum of Literature's Valentine's Day gala for the opening of their Austen exhibit, she can't help but be drawn to the fellow introverted academic. Together, they ghost out of the event and embark upon a monthlong love affair. Just as she’s rethinking her stance on happily ever afters, he disappears.

Sasha, a young computer programmer from Leningrad, is driving north to meet some friends for a nature vacation. He picks up a couple of hitchhikers who persuade him to take a job at the National Institute for the Technology of Witchcraft and Thaumaturgy. The adventures Sasha has in the largely dysfunctional institute involve all sorts of magical beings - a wish-granting fish, a tree mermaid, a cat who can remember only the beginnings of stories, a dream-interpreting sofa, and many more.

China, December 1941. Having left an unhappy life in England for a teaching post at a missionary school in northern China, Elspeth Kent is now anxious to return home to help the war effort. But as she prepares to leave China, a terrible twist of fate determines a different path for Elspeth, and those in her charge. Ten-year-old Nancy Plummer has always felt safe at Chefoo School, protected by her British status.

Miss Marilla Chadwick has been preparing a celebration for her nephew Dick's return from the war. Her young neighbor, Mary Amber, has agreed to help but she isn't excited by the prospect. She remembers the child Dick from years before as nasty and unfeeling but it means a lot to sweet Marilla to welcome her "war hero" in style. When a telegram from Dick arrives turning down the invitation, Marilla hides it and her disappointment from her friend, pondering what to do next. Then she sees a tall, young soldier walking down the road toward her house and hatches a plan.

Tabby has a peculiar gift: She can communicate with the recently departed. It makes her special, but it also makes her dangerous. As an orphaned child, she fled with her sister, Alice, from their charlatan aunt Bellefonte, who wanted only to exploit Tabby's gift so she could profit from the recent craze for seances. Now a young woman and tragically separated from Alice, Tabby works with her adopted father, Eli, the kind caretaker of a large Boston cemetery.

In Victorian England, orphan Mary Quinn lives on the edge. Sentenced as a thief at the age of 12, she’s rescued from the gallows by a woman posing as a prison warden. In her new home, Miss Scrimshaw’s Academy for Girls, Mary acquires a singular education, fine manners, and a surprising opportunity. The school is a cover for the Agency — an elite, top secret corps of female investigators with a reputation for results — and at 17, Mary’s about to join their ranks.