All
Roughing It
- Description: The 1993 text, notes, and apparatus of Mark Twain’s book about the American west and Hawaiian Islands
The Adventures of Tom Sawyer
- Description: The complete edited text with annotations
The Prince and the Pauper
- Description: The complete edited text with annotations, apparatus, appendixes, and other editorial matter
Adventures of Huckleberry Finn
- Description: The 2003 critical edition, including the updated text and editorial materials
A Connecticut Yankee in King Arthur's Court
- Description: The complete edited text with annotations, apparatus, appendixes, and other editorial matter
The Early Tales and Sketches
- Composition Date: 1851–65
- Description: Edited texts and editorial matter from the Mark Twain Project edition's Early Tales and Sketches, Volumes 1 and 2
Autobiography of Mark Twain
- Composition Date: 1870–1909
- Description: Edited texts of The Autobiography of Mark Twain with editorial matter and related manuscripts from the three-volume Mark Twain Project edition
The Unpublished Manuscripts
- Composition Date: 1870–1909
- Description: Edited texts of the unpublished, incomplete manuscripts of Mark Twain previously published in Which Was the Dream? (1966), Hannibal, Huck and Tom (1969), Mysterious Stranger Manuscripts (1969), Fables of Man (1972), and Huck Finn and Tom Sawyer among the Indians (1989); with selections from other edited compilations, such as What Is Man? (1973)
What Is Man? and Other Philosophical Writings
- Composition Date: 1866–1910
- Description: Edited texts of What Is Man?, Christian Science, Letters from the Earth, and other previously published and unpublished writings