Jingo Fever by Stephanie Golightly Lowden is a middle-grade historical novel set in 1918 Wisconsin, focusing on German-American girl Adelle Klein as she navigates intense anti-German sentiment during World War I, exploring themes of patriotism, bigotry, and standing up to bullies. The story follows Adelle as she deals with local prejudice and learns about courage and tolerance while staying with her aunt and uncle in a small town.