When Karen Hesse came upon a short article about cats out-foxing the Gestapo at the train station in Warsaw during WWII, she couldn't get the story out of her mind. The result is this stirring account of a Jewish girl's involvement in the Resistance. At once terrifying and soulful, this fictional account, borne of meticulous research, is a testament to history and to our passionate will to survive, as only Newbery Medalist Karen Hesse can write it.

Two Jewish sisters, escapees of the infamous Warsaw ghetto, devise a plan to thwart an attempt by the Gestapo to intercept food bound for starving people behind the dark Wall.