The book "Our Standard Bearer; or, The Life of General Ulysses S. Grant" by Oliver Optik is a fascinating biography of one of the greatest generals in US history. The book tells about the life and career of General Grant, his military achievements during the Civil War, as well as about his true inclinations and personal qualities. The author conveys important historical events to the reader and reveals the inner motivations of the hero. "Our Standard Bearer" is not only a historical essay, but also an excellent psychological portrait of an outstanding figure who changed the face of American history.