William Dean Howells (1837-1920) was a preeminent American literary figure of the late 19th and early 20th centuries. Often referred to as 'The Dean of American Letters', Howells played a significant role in shaping realist literature in the United States. His work typically addressed social issues and the complexities of American life, blending humor, psychological insight, and a keen observation of detail. Howells not only wrote novels, but he was also a prolific writer of literary criticism, essays, and travel books, in which he presented his observations of different cultures with an eye for detail and a critical mindset. His travel literature extends beyond mere tourist narratives to become a nuanced examination of the places and societies he visited. Revered for his pleasant style and literary acumen, Howells' contributions go beyond his own works, as he was a mentor to many younger writers and served as editor of the Atlantic Monthly. His position allowed him to encourage and publish works by now-famous authors such as Mark Twain and Henry James, thereby shaping the direction of American literature. His commitment to literary realism and his vast body of work, including his travel books, establish Howells as a central figure in American letters, whose influence persisted long after his death.