"Mosaic" by Diane Armstrong is a historical novel set in both pre-World War II and post-World War II Europe. The story follows the lives of several characters whose paths intersect due to the tumultuous events of the time, including the rise of Nazism and the Holocaust. The title "Mosaic" refers to the intricate weaving together of these characters' lives and experiences, much like the pieces of a mosaic coming together to form a larger picture. The novel explores themes of identity, survival, resilience, and the enduring impact of history on individual lives. It delves into the complexities of human relationships and the choices people make in the face of adversity. Through richly drawn characters and vivid historical detail, Armstrong paints a compelling portrait of a dark period in European history while also celebrating the power of human connection and hope.