The Personal Memoirs of Ulysses S. Grant is an autobiography by Ulysses S. Grant, the 18th President of the United States, focused mainly on his military career during the Mexican-American War and the American Civil War. It was first published as a two-volume set by Mark Twain shortly after Grant's death. The Personal Memoirs of Ulysses S. Grant has been highly regarded by the general public, military historians, and literary critics. Positive attention is often directed toward Grant's prose, which has been praised as shrewd, intelligent, and effective. He portrayed himself in the persona of the honorable Western hero, whose strength lies in his honesty and straightforwardness. He candidly depicts his battles against both the external Confederates and his internal Army foes.