Aarne Mustasalo

Writing as Aarne Mustasalo, Heikki Nurmio (1887–1947) was a Finnish author best remembered for youth novels and war-related nonfiction. Reliable sources identify Aarne Mustasalo as Nurmio’s pen name, and they link him both to popular fiction and to Jääkärin päiväkirja, a diary-based account connected with the Finnish Jäger movement.

His fiction includes Jokikylän pojat and later books built around the same characters, works that left a lasting mark on Finnish boys' literature. Kirjasampo notes that the series became well known enough to inspire local cultural memory in Raisio, reflecting how strongly the stories were tied to place and youth adventure.

Nurmio also had a distinguished life outside literature: he is described in reference sources as a Finnish Jäger officer, military historian, and the lyricist of the famous Jääkärimarssi. That background helps explain the blend of action, discipline, and national feeling that runs through the work published under the name Aarne Mustasalo.