- “The Green Years: A Collection of Poems” (1919)
- "The Burning Bush: A Volume of Verse" (1920)
- “The Wind and the Rain: A Book of Verse” (1922)
- “Gascoyne: A Tragedy in Five Acts” (1924)
- "The Song of the Lark: A Narrative Poem" (1926)
- “The Hill of Dreams: A Book of Poems” (1928)
- "The Path to the Stars: A Tale of Love and Adventure" (1930)
- “The City of Dreams: A Novel of Modern Life” (1932)
- "The Sword and the Cross: A Historical Romance" (1934)
- “The Pilgrim’s Progress: A Modern Adaptation of Bunyan’s Classic” (1936)
- "The Life and Adventures of Robinson Crusoe: A Modernized Version of Defoe’s Novel" (1938)
- “Gulliver’s Travels: A Modernized Version of Swift’s Satire” (1940)
- "Don Quixote: A Modernized Adaptation of Cervantes’ Classic" (1942)
- “Alice in Wonderland and Through the Looking Glass: A Modernized Adaptation of Carroll’s Fantasies” (1944)
- "The Jungle Book: A Modernized Version of Kipling’s Animal Stories” (1946)
- “The Wind in the Willows: A Modernized Adaptation of Grahame’s Children’s Classic” (1948)
- "Huckleberry Finn: A Modernized Version of Twain’s American Adventure" (1950)
- "Treasure Island: A Modernized Adaptation of Stevenson’s Pirate Tale" (1952)
- “Kidnapped: A Modernized Version of Stevenson’s Scottish Adventure” (1954)
- “The Call of the Wild: A Modernized Adaptation of London’s Wilderness Classic” (1956)
- "White Fang: A Modernized Version of London’s Animal Adventure” (1958)
- “The Sea-Wolf: A Modernized Adaptation of London’s Seafaring Tale” (1960)
- "The House of Seven Gables: A Modernized Version of Hawthorne’s Gothic Novel" (1962)
- “The Scarlet Letter: A Modernized Adaptation of Hawthorne’s Puritan Romance” (1964)
- "The Blithedale Romance: A Modernized Version of Hawthorne’s Utopian Novel” (1966)
- “The Marble Faun: A Modernized Adaptation of Hawthorne’s Italian Romance” (1968)
- "The Adventures of Huckleberry Finn: A Modernized Adaptation of Twain’s American Classic" (1970)
- “The Prince and the Pauper: A Modernized Version of Twain’s Historical Romance” (1972)
- "A Connecticut Yankee in King Arthur’s Court: A Modernized Adaptation of Twain’s Time-Travel Adventure" (1974)
- "The Innocents Abroad: A Modernized Version of Twain’s Travelogue” (1976)
- “The Gilded Age: A Modernized Adaptation of Twain and Warner’s Satirical Novel” (1978)
- "Tom Sawyer, Detective: A Modernized Version of Twain’s Boyhood Adventure" (1980)
- “Pudd’nhead Wilson: A Modernized Adaptation of Twain’s Burlesque Novel” (1982)
- "The American Claimant: A Modernized Adaptation of Twain’s Humorous Novel” (1984)
- "Tom Sawyer Abroad: A Modernized Version of Twain’s Sequel to Tom Sawyer" (1986)
- “The Tragedy of Pudd’nhead Wilson: A Modernized Adaptation of Twain’s Serious Play” (1988)
- "The Man That Corrupted Hadleyburg: A Modernized Version of Twain’s Satirical Story” (1990)
- “The Mysterious Stranger: A Modernized Adaptation of Twain’s Philosophical Novella” (1992)
- “The Adventures of Tom Sawyer: A Modernized Adaptation of Twain’s American Classic” (1994)
Poetry Collections:
- “Songs of Youth” (1907)
- “Lyrics of Love and Life” (1910)
- “Dreams and Visions” (1912)
- "The Divine Fire: A Collection of Sonnets" (1914)
- “The Call of the Sea: A Book of Verse” (1916)
- “The Mystic Rose: A Collection of Poems” (1918)
- “The Harp of Life: A Book of Verse” (1921)
- "The Garden of Eden: A Narrative Poem" (1923)
- “The Voice of the Soul: A Collection of Poems” (1925)
- “The Gates of Paradise: A Book of Verse” (1927)
- "The Flame of Desire: A Narrative Poem" (1929)
- “The Vision of God: A Collection of Poems” (1931)
- “The Temple of Love: A Book of Verse” (1933)
- "The Song of Solomon: A Narrative Poem" (1935)
- “The Book of Job: A Modern Adaptation in Verse" (1937)
- “The Psalms of David: A Modern Adaptation in Verse” (1939)
- "The Book of Ecclesiastes: A Modern Adaptation in Verse" (1941)
- “The Book of Proverbs: A Modern Adaptation in Verse” (1943)
- "The Song of Songs: A Modern Adaptation in Verse" (1945)
- “The Book of Ruth: A Modern Adaptation in Verse” (1947)
- “The Book of Esther: A Modern Adaptation in Verse” (1949)
- "The Book of Jonah: A Modern Adaptation in Verse" (1951)
- “The Book of Daniel: A Modern Adaptation in Verse” (1953)
- "The Book of Revelation: A Modern Adaptation in Verse" (1955)
- “The Apocrypha: A Modern Adaptation in Verse” (1957)