•
From Fact to Fiction: Journalism and Imaginative Writing in America (Johns Hopkins, 1985) •
Was Huck Black? Mark Twain and African-American Voices (Oxford, 1993) •
Lighting Out for the Territory: Reflections on Mark Twain and American Culture (Oxford, 1997) •
Feminist Engagements: Forays Into American Literature and Culture (Palgrave/Macmillan, 2009) •
Writing America: Literary Landmarks from Walden Pond to Wounded Knee (Rutgers University Press, 2015) • ''Jim: The Life and Afterlives of Huckleberry Finn's Comrade'' (Yale University Press, 2025) • co-author,
Zhi Lin: In Search of the Lost History of Chinese Migrants and the Transcontinental Railroads (Tacoma Art Museum/University of Washington Press, 2017) • editor, 29-volume
Oxford Mark Twain (Oxford, 1996; paperback reprint edition, 2009) • editor,
Oxford Historical Guide to Mark Twain (Oxford, 2002) • editor,
"Is He Dead? " A New Comedy by Mark Twain (University of California, 2003) • editor, ''Mark Twain's Book of Animals'' (University of California Press, 2009) • editor,
The Mark Twain Anthology: Great Writers on his Life and Work (Library of America, 2010) • editor,
《为何与如何：中国人为何出国与如何进入美国》 (1871)
Why and How the Chinese Emigrate, and the means they adopt for the purpose of reaching America by Russell Conwell (1871). Translated by YAO Ting [姚婷] (Chinese Overseas Publishing House, 2019) • co-editor,
Listening to Silences: New Essays in Feminist Criticism (Oxford, 1994) • co-editor,
People of the Book: Thirty Scholars Reflect on Their Jewish Identity (Wisconsin, 1996) • co-editor,
The Encyclopedia of Civil Rights in America (M.E. Sharpe, 1997) • co-editor,
Mark Twain at the Turn of the Century, 1890–1910 (Arizona Quarterly, 2005) • co-editor, ''Sport of the Gods' and Other Essential Writing'' by
Paul Laurence Dunbar (Random House, 2005) • co-editor,
Anthology of American Literature, ninth edition (Prentice-Hall, 2006) • co-editor,
Concise Anthology of American Literature, seventh edition (Prentice-Hall, 2011) • co-editor,
The Chinese and the Iron Road: Building the Transcontinental Railroad (Stanford University Press, 2019) • co-editor,
Race and American Culture – Oxford University Press Book Series (with
Arnold Rampersad)(1993–2003) == Selected awards and honors ==