"Mark Twain's Letters — Volume 3 (1876-1885)" by Mark Twain is a collection of personal correspondence written during the late 19th century, offering insights into Twain's life, thoughts, and literary friendships. The letters primarily focus on his relationship with fellow author W. D. Howells, covering a range of topics including literature, politics, personal struggles, and creative endeavors. At the start of this volume, Twain writes to Howells, detailing his activities as a member of the Monday Evening Club in Hartford and discussing his writing projects, including the well-received "Tom Sawyer." He shares updates on his health, hints at his collaborations with Bret Harte, and expresses his deep appreciation for Howells's critical feedback. Twain's correspondence reveals his blend of humor and introspection, as he navigates both the mundane and profound aspects of his life and career during this dynamic period. This section sets the tone for a candid exploration of the literary landscape of the time as well as Twain's evolving thoughts on his own works and those of his contemporaries. (This is an automatically generated summary.)