21 - Grace Harlowe with the American Army on the Rhine by Jessie Graham Flower

Although the war is over, Grace Harlowes journey is far from finished. As she travels to the Rhine, she uncovers a sinister plot by Germans against the American army, facing new challenges and dangers along the way. Join her as she navigates this treacherous landscape in a quest for justice and truth. - Summary by ashleighjane