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.

World War II London: When Victoire “Paddy” Bennett first walks into the Admiralty’s Room 39, home to the Intelligence Division, all the bright and lively young woman expects is a secretarial position to the charismatic Commander Ian Fleming. But soon her job is so much more, and when Fleming proposes a daring plot to deceive the Germans about Allied invasion plans he requests the newlywed Paddy's help. She jumps at the chance to work as an agent in the field, even after the operation begins to affect her marriage. But could doing her duty for King and country come at too great a cost?

Sophie was born to be a rebel, raised by parents who challenged the brutal Nazi regime. Determined to follow in their footsteps, she leaves for university, defying Hitler’s command for women to stay at home. She knows instantly that she isn’t alone, that there are more courageous souls like her who will fight against evil. But it is only a matter of time before the Gestapo closes in.... And when Sophie is imprisoned in an interrogation room, staring a Nazi officer in the eye, will she take their secrets to her grave? 

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.

A group of young women from Smith College risk their lives in France at the height of World War I in this sweeping novel based on a true story - a skillful blend of Call the Midwife and The Alice Network - from New York Times best-selling author Lauren Willig.

1942. Hannah Martel has narrowly escaped Nazi Germany after her fiancé was killed in a pogrom. When her ship bound for America is turned away at port, she has nowhere to go but to her cousin Lily, who lives with her family in Brussels. Fearful for her life, Hannah is desperate to get out of occupied Europe. But with no safe way to leave, she must return to the dangerous underground work she thought she had left behind.

Thirteen-year-old Lisa has escaped from Nazi Germany on the Kindertransport. She arrives in London unable to speak a word of English, her few belongings crammed into a small suitcase. Among them is one precious photograph of the family she has left behind. Lonely and homesick, she is adopted by a childless couple. But when the Blitz blows her new home apart, she wakes up in a hospital with no memory of who she is or where she came from. The authorities give her a new name and dispatch her to a children's home. With the war raging around her, what will become of Lisa now?

It is 1936, and Nancy Wake is an intrepid Australian expat living in Paris who has bluffed her way into a reporting job for Hearst newspaper when she meets the wealthy French industrialist Henri Fiocca. No sooner does Henri sweep Nancy off her feet and convince her to become Mrs. Fiocca than the Germans invade France and she takes yet another name: a code name. As Lucienne Carlier, Nancy smuggles people and documents across the border and earns a new nickname from the Gestapo for her remarkable ability to evade capture: The White Mouse.

After three decades in counterintelligence, Brad Trasker is retired, disillusioned, and dealing with a tragic loss. Spy games are behind him until he attends the launch of a next-generation aircraft. When the project of innovative aerospace CEO Kylie Connor explodes on the tarmac—nearly killing her in the process—Trasker is pulled back into the line of fire. The mystery of the sabotage quickly deepens.

When an impossibly shy young woman named Judy Morgan finishes her studies in Physics at Cambridge University, it is with dreams of changing the world for the better. Meanwhile, a beautiful, young Jewish woman decides to flee her beloved Austria, changing her name to Hedy Lamarr, and risking everything to get to America, as far away from the Nazi threat as possible.

When Eleanor Atherton graduates from medical school near the top of her class in 1917, she dreams of going overseas to help the wounded, but her ambition is thwarted at every turn. Eleanor's parents insist she must give up medicine, marry a respectable man, and assume her proper place. While women might serve as ambulance drivers or nurses at the front, they cannot be physicians - that work is too dangerous and frightening. Nevertheless, Eleanor is determined to make more of a contribution than sitting at home knitting for the troops.

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.

Liverpool, 1935: Raised in a strict Catholic family, Viv Byrne knows what’s expected of her: marry a Catholic man from her working-class neighborhood and have his children. However, when she finds herself pregnant after a fling with Joshua Levinson, a Jewish man with dreams of becoming a famous jazz musician, Viv knows that a swift wedding is the only answer. Her only solace is that marrying Joshua will mean escaping her strict mother’s scrutiny. But when Joshua makes a life-changing choice on their wedding day, Viv is forced once again into the arms of her disapproving family.

Yorkshire, 1943. Lily Baines, a bright young debutante increasingly ground down by an endless war, has traded in her white gloves for a set of headphones. It’s her job to intercept enemy naval communications and send them to Bletchley Park for decryption. One night, she picks up a transmission that isn’t code at all—it’s a cry for help.

From the author of The Lost Girls of Paris comes a riveting tale of courage and unlikely friendship during World War II - now a New York Times best seller.