"Ihmiset suviyössä" is a Finnish novel written by Juhani Aho, published in 1909. The story is set during the summer nights in the Finnish countryside and explores themes of love, nature, and the passage of time. It captures the beauty of the landscape and the simplicity of rural life. The narrative follows the lives of several characters as they interact with each other and their surroundings. Through their experiences, the novel reflects on human emotions and relationships, highlighting the connection between people and the natural world. The work is considered a significant contribution to Finnish literature.