Au cœur des hommes appears to be a diary-form work by Marc Esposito, presented in a 2007 French-language edition of 227 pages. The available record gives little detail about the text's structure or content, but its cataloged subject points toward intimate observation, recollection, and first-person record keeping. The title suggests a reflective focus on human experience, with attention to the emotional and social dimensions of everyday life. This edition is best approached as a reflective prose work centered on testimony and personal perspective rather than as a plot-driven narrative.