The Enemy Detroit, 1954

World War II "is over, but the threat of communism and the Cold War loom over the United States. In Detroit, Michigan, twelve-year-old Marjorie Campbell struggles with the ups and downs of family life, dealing with her veteran father's unpredictable outbursts, keeping her mother's stash of banned library books a secret, and getting along with her new older 'brother,' the teenager her family took in after his veteran father's death"--Amazon.co