From New York Times bestselling author Jennifer Chiaverini, a bold, revelatory novel about one of the great untold stories of World War I—the women of the U.S. Army Signal Corps, who broke down gender barriers in the military and battled a pandemic as they helped lead the Allies to victory.

London, 1941. The Blitz. When a Royal Navy memo arrives at head office, requesting female recruits to sign up as motorcycle dispatch riders, delivering highly classified orders across the country, three women jump at the chance to sign up for the most dangerous jobs in London.

Between the World Wars, the six Mitford sisters—each more beautiful, brilliant, and eccentric than the next—dominate the English political, literary, and social scenes. Though they've weathered scandals before, the family falls into disarray when Diana divorces her wealthy husband to marry a fascist leader and Unity follows her sister's lead all the way to Munich, inciting rumors that she's become Hitler's mistress.

The daughter of formerly enslaved parents, Mary McLeod Bethune refuses to back down as white supremacists attempt to thwart her work. She marches on as an activist and an educator, and as her reputation grows she becomes a celebrity, revered by titans of business and recognized by U.S. Presidents. Eleanor Roosevelt herself is awestruck and eager to make her acquaintance.

Cornwall, 1940. Back in England after the harrowing evacuation at Dunkirk, WWII Red Cross nurse Anna Trenowyth is shocked to learn her adoptive parents, Graham and Prue Handley, have been killed in an air raid. She desperately needs their advice, as she's been assigned to the military hospital that has set up camp inside her biological mother's childhood home - Nanreath Hall. Anna was just six years old when her mother, Lady Katherine Trenowyth, died. All she has left are vague memories that tease her with clues she can't unravel.

As bombs fall across Europe, fourteen-year-old Lien Vinke fears that the reality of war is inescapable. Though she lives a quiet life with her mother and older sister, Elif, in their small town of Haarlem, they are no strangers to heartache, having recently suffered an immeasurable loss. And when the Nazis invade the Netherlands, joining the Dutch resistance with Elif offers just the atonement Lien craves.

Chemist Elizabeth Zott is not your average woman. In fact, Elizabeth Zott would be the first to point out that there is no such thing as an average woman. But it’s the early 1960s and her all-male team at Hastings Research Institute takes a very unscientific view of equality. Except for one: Calvin Evans; the lonely, brilliant, Nobel–prize nominated grudge-holder who falls in love with—of all things—her mind. True chemistry results.

Alix St. Pierre. An unforgettable name for an unforgettable woman. She grew up surrounded by Hollywood glamor, but, as an orphan, never truly felt part of that world. In 1943, with WWII raging and men headed overseas to fight, she lands a publicity job to recruit women into the workforce. Her skills—persuasion, daring, quick-witted under pressure—catch the attention of the U.S. government and she finds herself with an even bigger assignment: sent to Switzerland as a spy. Soon Alix is on the precipice of something big, very big. But how far can she trust her German informant…?

Nisha Cantor lives the globetrotting life of the seriously wealthy, until her husband announces a divorce and cuts her off. Nisha is determined to hang onto her glamorous life. But in the meantime, she must scramble to cope--she doesn’t even have the shoes she was, until a moment ago, standing in. That’s because Sam Kemp—in the bleakest point of her life—has accidentally taken Nisha’s gym bag. But Sam hardly has time to worry about a lost gym bag—she’s struggling to keep herself and her family afloat.

All her life, Zofia has found comfort in two things during times of hardship: books and her best friend, Janina. But no one could have imagined the horrors of the Nazi occupation in Warsaw. As the bombs rain down and Hitler’s forces loot and destroy the city, Zofia finds that now books are also in need of saving. With the death count rising and persecution intensifying, Zofia jumps to action to save her friend and salvage whatever books she can from the wreckage, hiding them away, and even starting a clandestine book club.

1938. Dr. Ho Fengshan, consul general of China, is posted in Vienna with his American wife, Grace. Shy and ill at ease with the societal obligations of diplomats’ wives, Grace is an outsider in a city beginning to feel the sweep of the Nazi dragnet. When Grace forms a friendship with her Jewish tutor, Lola Schnitzler, Dr. Ho requests that Grace keep her distance. His instructions are to maintain amicable relations with the Third Reich, and he and Grace are already under their vigilant eye.

When the most famous toddler in America, Charles Lindbergh, Jr., is kidnapped from his family home in 1932, the case makes international headlines. Already celebrated for his flight across the Atlantic, his father, Charles, Sr., is the country’s golden boy, with his wealthy, lovely wife, Anne Morrow Lindbergh, by his side. But there’s someone else in their household—Betty Gow, a formerly obscure young woman, now known around the world by another name: the Lindbergh Nanny. Betty must find the truth in order to clear her own name—and to find justice for the child she loves.

Ava thought her job as a librarian at the Library of Congress would mean a quiet, routine existence. But an unexpected offer from the US military has brought her to Lisbon with a new mission: posing as a librarian while working undercover as a spy gathering intelligence. Meanwhile, in occupied France, Elaine has begun an apprenticeship at a printing press run by members of the Resistance. It’s a job usually reserved for men, but in the war, those rules have been forgotten. Yet she knows that the Nazis are searching for the press and its printer in order to silence them.

Early in the Great War, men left Britain’s factories in droves to enlist. Struggling to keep up production, arsenals hired women to build the weapons the military urgently needed. “Be the Girl Behind the Man Behind the Gun,” the recruitment posters beckoned. Thousands of women—cooks, maids, shopgirls, and housewives—answered their nation’s call. These “munitionettes” worked grueling shifts often seven days a week, handling TNT and other explosives with little protective gear.

In a tiny town on the coast of Lancashire, Lily Brown is trying to hold her world together. With England in the throes of World War II, her alcoholic father a prisoner overseas, and her mother struggling to make ends meet, she is convinced marrying her wealthy suitor is the best way to take care of her family. Until a blue-eyed American soldier turns her life upside-down. Based on a true story, this beautifully researched biographical novel follows Lily’s journey as she finds herself torn between the country she loves and the man who has stolen her heart.

A sweeping story of three generations of women, crossing from London to Ireland and back again, and the enduring effort to retrieve the secrets of the past.

France, 1714: In a moment of desperation, a young woman makes a Faustian bargain to live forever - and is cursed to be forgotten by everyone she meets. Thus begins the extraordinary life of Addie LaRue, and a dazzling adventure that will play out across centuries and continents, across history and art, as a young woman learns how far she will go to leave her mark on the world. But everything changes when, after nearly 300 years, Addie stumbles across a young man in a hidden bookstore and he remembers her name.

Samantha Owens' estranged stepfather has died, leaving her his cottage in Nantucket - a place she fled years ago, never planning to return. As a single mom, Samantha can't afford to pass up a financial windfall like oceanfront property. So she travels home to fix up the house and sell it...never suspecting that Landon Reed still lives two doors down. As their long-dormant romance begins to bud again, Samantha must face a past that separated her from the God of her childhood. And she must tell Landon why she fled the island in the first place - a secret that could tear them apart.

Over the course of a long, hot summer in London, the lives of three very different married couples collide when their children join the same tutoring circle, resulting in illicit relationships, shocking violence, and unimaginable fallout. There’s Eve, a bougie earth mother with a well-stocked trust fund; she has three little ones, a blue-collar husband, and is obsessed with her Instagrammable recipes and lifestyle.

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.

Catherine "C.C." Calhoun is determined to keep her family's estate, known affectionately as the Towers, in the family. She admits the cost of keeping up the crumbling mansion might be quickly exceeding what C.C., her sisters and her aunt can afford, but the only way to save the house can't be to sell it. Especially not to arrogant and handsome hotel magnate Trenton St. James III.

Cornwall, 1940. Back in England after the harrowing evacuation at Dunkirk, WWII Red Cross nurse Anna Trenowyth is shocked to learn her adoptive parents, Graham and Prue Handley, have been killed in an air raid. She desperately needs their advice, as she's been assigned to the military hospital that has set up camp inside her biological mother's childhood home - Nanreath Hall. Anna was just six years old when her mother, Lady Katherine Trenowyth, died. All she has left are vague memories that tease her with clues she can't unravel.

Abby Foster is a fish out of water in the Maine coastal town of Jewell Cove. The crumbling Foster estate, left to her by a relative she never even knew, has everyone's eyes on her - an eerie reminder of the long-buried family secrets that have haunted her... forever. Single, stunning, and sometimes too strong-willed for her own good, Abby's plan is to sell the house and hightail it back to Nova Scotia.

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.

Mira is a mermaid on a mission. It’s time to leave the ocean. Mira Belshaw has been at sea for...well, she doesn’t know how many years. It’s hard to keep track of time when you live in the ocean. But after enough time, the salt water triggers the desire to procreate, and her time is up. Finding a mate is the most important thing to her right now, and to do that, she has to return to the place where she was last human - the coastal city of Saltford.

1918: Pretty, vivacious Grand Duchess Maria Romanov, the 19-year-old daughter of the fallen Tsar Nicholas II, lives with her family in suffocating isolation, a far cry from their once-glittering royal household. Her days are a combination of endless boredom and paralyzing fear; her only respite are clandestine flirtations with a few of the guards imprisoning the family - never realizing her innocent actions could mean the difference between life and death.

1944, New York City. Judy Washington is tired of having to work at the Bronx Slave Market, cleaning white women’s houses for next to nothing. She dreams of a bigger life, but with her husband fighting overseas, it’s up to her and her mother to earn enough for food and rent. When she’s recruited to join the Women’s Army Corps—offering a steady paycheck and the chance to see the world—Judy jumps at the opportunity.

The turn of the 20th century finds 14-year-old Batya in the Russian countryside, fleeing with her family endless pogroms. Desperate, her father leaps at the opportunity to marry Batya to a worldly, wealthy stranger who can guarantee his daughter an easy life and passage to America. Feeling like a princess in a fairytale, Batya leaves her old life behind as she is whisked away to a new world. But soon, she discovers that she’s entered a waking nightmare. Her new “husband” does indeed bring her to America.

In the summer of 1940, ambitious young American journalist Ruby Sutton gets her big break: the chance to report on the European war as a staff writer for Picture Weekly newsmagazine in London. She jumps at the chance, for it's an opportunity not only to prove herself, but also to start fresh in a city and country that know nothing of her humble origins. But life in besieged Britain tests Ruby in ways she never imagined.

Eleanor Hamilton is happily married and mother to a beautiful four-year-old girl, Mabel. Her husband, Edward, is a leading light in the burgeoning Eugenics movement, which is designing the very ideas that will soon be embraced by Hitler. But when Mabel develops debilitating epileptic seizures and Eleanor discovers Edward has been keeping secrets, Eleanor's world fractures. In order to save her daughter, she takes matters into her own hands.

September 1896: As an aspiring archaeologist, Smith College graduate Betsy Hayes travels to Athens, desperate to break into a very male-dominated field and find work at some of the world’s most famous excavation sites. In the midst of the heat and dust of Greece she finds an unlikely ally in philanthropist Charles, Baron de Robecourt, one of the few men who takes her academic passion seriously.

The attack on Pearl Harbor changes everything for Lana Hitchcock. Arriving home on the Big Island too late to reconcile with her estranged father, she is left alone to untangle the clues of his legacy, which lead to a secret property tucked away in the remote rain forest of Kilauea volcano. When the government starts taking away her neighbors as suspected sympathizers, Lana shelters two young German girls, a Japanese fisherman, and his son. As tensions escalate, they are forced into hiding - only to discover the hideaway house is not what they expected.

Food critic Tempèsta Luddington has always felt like the odd person out in her family, ever since she lost her beloved mother at the tender age of thirteen. When her workaholic father passes fifteen years later, Tempèsta is not surprised that the majority of the considerable family money will pass to her dutiful younger brother, Wal. Still, she is left a modest remembrance from her mother, and for the first time Tempèsta has a world of choices before her.

April 1897: A young nanny arrives at Sandringham, ancestral estate of the Duke and Duchess of York. She is excited, exhausted - and about to meet royalty. So begins the unforgettable story of Charlotte Bill, who would care for a generation of royals as their parents never could. Neither Charlotte - LaLa, as her charges dub her - nor anyone else can predict that eldest sons David and Bertie will each one day be king. LaLa knows only that these children, and the four who swiftly follow, need her steadfast loyalty and unconditional affection.

Six-year-old Gretl Schmidt is on a train bound for Auschwitz. Jakób Kowalski is planting a bomb on the tracks. As World War II draws to a close, Jakób fights with the Polish resistance against the crushing forces of Germany and Russia. They mean to destroy a German troop transport, but Gretl's unscheduled train reaches the bomb first. Gretl is the only survivor.

November, 1941. She’s never even seen the ocean before, but Eva Cassidy has her reasons for making the crossing to Hawaii, and they run a lot deeper than escaping a harsh Michigan winter. Newly enlisted as an Army Corps nurse, Eva is stunned by the splendor she experiences aboard the steamship SS Lurline; even more so by Lt. Clark Spencer, a man she is drawn to but who clearly has secrets of his own. But Eva’s past - and the future she’s trying to create - means that she’s not free to follow her heart.

1896. After he brought her home from Jamaica as a baby, Florence's father had her hair hot-combed to make her look like the other girls. But as a young woman, Florence is not so easy to tame—and when she brings scandal to his door, the bookbinder throws her onto the streets of Manchester. Intercepting her father's latest commission, Florence talks her way into the remote, forbidding Rose Hall to restore its collection of rare books. Lord Francis Belfield's library is old and full of secrets—but none so intriguing as the whispers about his late wife.

Sixteen-year-old Alice is spending the summer in Paris, but she isn't there for pastries and walks along the Seine. When her grandmother passed away two months ago, she left Alice an apartment in France that no one knew existed. An apartment that has been locked for more than 70 years. Alice is determined to find out why the apartment was abandoned and why her grandmother never once mentioned the family she left behind when she moved to America after World War II. With the help of Paul, a charming Parisian student, she sets out to uncover the truth.

Vienna, 1954 After losing everyone she loves in the final days of World War II, Ingrid Bauer agrees to a hasty marriage with a gentle Soviet embassy worker and follows him home to Moscow. But nothing within the Soviet Union’s totalitarian regime is what it seems, including her new husband, whom Ingrid suspects works for the KGB. Inspired by her daughter’s birth, Ingrid risks everything and reaches out in hope to the one country she understands and trusts—Britain, the country of her mother’s birth. She begins passing intelligence to MI6, navigating a world of secrets and lies, light and shadow.

Celebrated singer Genevieve Dumont is both a star and a smokescreen. An unwilling darling of the Nazis, the chanteuse’s position of privilege allows her to go undetected as an ally to the resistance. When her estranged mother, Lillian de Rocheford, is captured by Nazis, Genevieve knows it won’t be long before the Gestapo succeeds in torturing information out of Lillian that will derail the upcoming allied invasion. The resistance movement is tasked with silencing her by any means necessary - including assassination.