"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 US Army Signal Corps, who broke down gender barriers in the military, smashed the workplace glass ceiling, and battled a pandemic as they helped lead the Allies to victory. In June 1917, General John Pershing arrived in France to establish American forces in Europe. He immediately found himself...

Teenage Simone's diaries for 1917 and 1918 reveal her experiences as a carefree member of New York society, then as a "Hello girl, " a volunteer switchboard operator for the Army Signal Corps in France.

December 1917. As World War I rages in Europe, twenty-four-year-old Ruby Wagner, the jewel in a prominent Philadelphia family, prepares for her upcoming wedding to a society scion. Like her life so far, it's all been carefully arranged. But when her beloved older brother is killed in combat, Ruby follows her heart and answers the Army Signal Corps' call for women operators to help overseas. As one of the trailblazing "Hello Girls" deployed to war-torn...