Between Shades of Grey by Ruta Sepetys

Un-used book (As Written on Back Cover) A knock comes at the door in the dead of night, and Lina’s life changes in and instant. With her young brother and mother, she is hauled away by the Soviet secret police from her home in Lithuanian and thrown into a cattle car an route to Siberia. Separated from her father, Lina secretly passes along clues in the form of drawings, hoping they will reach his prison camp. But will her letters, or her courage, be enough to reunite her family? Will they be enough to keep her alive?