'Facts the Historians Leave Out' is a book that delves into lesser-known aspects and perspectives of American history, particularly focusing on the Confederate side of the Civil War. This work seeks to shed light on events, figures, and narratives that the author argues have been overlooked or underrepresented in mainstream historical accounts. The book is often regarded as offering a revisionist view, aiming to broaden readers' understanding of the Civil War by including stories and facts that are not commonly featured in traditional historical texts. Its approach to history is controversial, as it challenges established narratives and interpretations of the Civil War, leading to debates about historical accuracy, bias, and the role of historical narrative in shaping collective memory.