Anna struggles to navigate the complexities of adolescence in wartime London while grappling with her identity as a German refugee during the Blitz. As she experiences the typical anxieties of falling in love and planning for her future, she must also contend with the constant threat of aerial bombardment and the social stigma of being labeled an enemy alien. The narrative follows her efforts to maintain a sense of normalcy alongside her family, who live in fear of both the immediate danger of the bombs and the potential consequences of a German invasion. This semi-autobiographical account captures the internal and external pressures of a displaced teenager attempting to find her place in a world that views her heritage with suspicion.

This work is widely regarded as a poignant and essential contribution to literature concerning the refugee experience during the Second World War. Readers and critics frequently highlight the author's ability to balance the intimate, often mundane concerns of a teenager with the terrifying reality of living under the constant threat of destruction. The narrative is often praised for its understated tone, which avoids melodrama while effectively conveying the profound instability of Anna's situation. By grounding the historical events in the personal growth of the protagonist, the book provides a perspective on the war that remains accessible and resonant for younger audiences. The story serves as a testament to the endurance of the human spirit when faced with the complexities of national identity and survival.