As propulsive and thrilling as Hidden Figures, In the Garden of Beasts, Band of Brothers, and A Train in Winter, The Light of Days at last tells the true story of these incredible women whose courageous yet little-known feats have been eclipsed by time. Judy Batalion—the granddaughter of Polish Holocaust survivors—takes us back to 1939 and introduces us to Renia Kukielka, a weapons smuggler and messenger who risked death traveling across occupied Poland on foot and by train