Lucas Guevara is the first Spanish-language novel of immigration to the United States. Published in the United States in 1914 by Colombian emigre Diaz Guerra, the novel establishes the structure and formula that numerous other Spanish-language narratives produced in this country would take up over the course of the twentieth century. The introduction by Nicolas Kanellos and Irma Liz Hernandez trace the author's development as a writer and present Lucas Guevara in the context of Hispanic history and immigrant literature.