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.

Germany, 1939. A tumbledown farmhouse, on the outskirts of a close-knit village in the heart of the rolling hills of Bavaria. A once happy family home torn apart by Nazi rule. And one young girl who refuses to give up on what she believes in...London, 2018: When 94-year-old Imogen receives a letter addressed to her in neat, unfamiliar handwriting, she notices the postmark is stamped from Germany - and it sends shivers down her spine....

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.

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?

Paris, 1944: The war is nearly over, but for members of the Resistance in occupied France, it is more dangerous than ever before. Twenty-five-year-old Gabby Foucher loathes the Nazis, though as the concierge of 10 rue Royale, she does her best to avoid conflict - unlike her bolder sister Yvette, who finds trouble at every turn.

London, 1939. Beautiful and ambitious Eva Harlow and her American best friend, Precious Dubose, are trying to make their way as fashion models. When Eva falls in love with Graham St. John, an aristocrat and Royal Air Force pilot, she can’t believe her luck - she’s getting everything she ever wanted. Then the Blitz devastates her world, and Eva finds herself slipping into a web of intrigue, spies, and secrets. As Eva struggles to protect her friendship with Precious and everything she holds dear, all it takes is one unwary moment to change their lives forever....

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.

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.

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.

California, 1938—When she loses her parents in an accident, sixteen-year-old Rosanne is taken in by the owners of the vineyard where she has lived her whole life as the vinedresser’s daughter. She moves into Celine and Truman Calvert’s spacious house with a secret, however—Rosie sees colors when she hears sound. She promised her mother she’d never reveal her little-understood ability to anyone, but the weight of her isolation and grief prove too much for her. Driven by her loneliness she not only breaks the vow to her mother, but in a desperate moment lets down her guard and ends up pregnant.

Margot and her adoring husband, Jochen, are madly in love. But in Nazi Germany, being in love is the most dangerous act of all. A marriage between Margot, a German woman, and Jochen, a Jewish man, is forbidden under Hitler’s tyrannical rule. Yet when friends cross the street to avoid Margot and her own mother rejects her, she stays loyal to Jochen. When the Gestapo break into their home and steal their belongings, she remains steadfast. And when soldiers arrest Jochen, imprisoning him with countless others, Margot will stop at nothing to save him.

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.

From the New York Times best-selling author of Mrs. Lincoln’s Dressmaker, an enthralling historical saga that recreates the danger, romance, and sacrifice of an era and brings to life one courageous, passionate American - Mildred Fish Harnack - and her circle of women friends who waged a clandestine battle against Hitler in Nazi Berlin.

It’s always been easier for Cara Hargraves to bury herself in the past than confront the present, which is why working with a gruff but brilliant antiques dealer is perfect. While clearing out an estate, she pries open an old tin that holds the relics of a lost relationship: among the treasures, a World War II-era diary and a photograph of a young woman in uniform. Eager to find the author of the hauntingly beautiful, unfinished diary, Cara digs into this soldier’s life, but soon realizes she may not have been ready for the stark reality of wartime London she finds....

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.