It is 1939, and nothing could prepare Marta and Janina for the Nazi occupation of their homes and families in Warsaw. Friends since childhood, the two women couldn’t be more different – Marta is Polish and a stubborn, practical planner; Janina is half-Jewish with fanciful ideas of war and heroism. But as the bombs rain down on Warsaw and Hitler’s forces surround the city, a series of tragedies spur them to action. Both avid readers, they find ways to join the war efforts using one of the only weapons that still feel safe to them: literature.   While Marta and her father become active in the underground and work to salvage books in danger of being destroyed, Janina aids a secret library in the ghetto, lending and delivering books to orphans. As the round ups and executions intensify, these books become a life preserver for members of their community. But the closer Warsaw gets to liberation, the more dangerous it becomes for the women and their fami