"In 1943 Amsterdam, Emma Bergsma's world changes when she witnesses Jewish families being forcibly deported to concentration camps. That pivotal moment lights a fire within her, and she decides to join the Dutch Resistance. Before long, Emma is drawn into a clandestine world of printing presses and counterfeiters, with thousands of lives on the line. In 2011 Amsterdam, teenage Annick's world has changed as well. A search for a bone marrow donor for her beloved oma leads to a shocking revelation: her grandmother was secretly adopted as a child. The only clues to finding their lost family are a series of art prints hanging on the wall--each signed by a mysterious "Emma B.""-- From publisher description.