The Woman with the Blue Star By Pam Jenoff

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 bestsller!

1942. Sadie Gault is eighteen and living with her parents in the Kraków Ghetto during World War II. When the Nazis liquidate the ghetto, Sadie and her pregnant mother are forced to seek refuge in the perilous tunnels beneath the city. One day Sadie looks up through a grate and sees a girl about her own age buying flowers.