La Frontiere (1894)

Set during the Franco-Prussian War of the 1870s, the narrative follows two friends—one French and the other German—who find themselves on opposing sides of the conflict. Their friendship faces intense challenges as they navigate loyalty to their countries versus their bond. The novel delves into themes of war, friendship, loyalty, and national identity, drawing on Claretie's own experiences as a veteran to create a poignant and authentic story. It serves as a powerful testament to the effects of war on personal relationships.