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.

"An eye-opening and detailed novel about remarkable female soldiers. . . Chiaverini weaves the intersecting threads of

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"From the twentieth century onward, women took on an extraordinary range of roles in intelligence, defying the conventions of their time. Across both world wars, far from being a small part of covert operations, women ran spy networks and escape lines, parachuted behind enemy lines, and interrogated prisoners. And, back in Bletchley and Whitehall, women's vital administrative work in MI offices kept the British war engine running. In this major, panoramic...