Zoya Voskresenskaya (1907–1992) was not only a well-known writer, but also a talented intelligence officer. She carried out her work in countries such as China, the Baltic states, Germany, Finland, and Sweden, and collaborated with the legendary Pavel Sudoplatov. After finishing her intelligence career, she devoted herself to literary work and received the State Prize for her works. The story you’re holding tells about the young Soviet Pioneer Antonina, the daughter of a diplomat, who experiences the events of World War II in a neutral Scandinavian country and then returns to the USSR across the seas of the Arctic Ocean. This deeply moving and captivating story about a girl’s life during wartime is written with a deep understanding of European culture and children’s psychology. The book about a Soviet Pioneer became a global sensation and found its place in the classics of children’s literature, yet it is interesting to readers of all ages.