A Princess of Mars (1912)
The Gods of Mars (1913)
The Warlord of Mars (1914)
Thuvia, Maid of Mars (1916)
The Chessmen of Mars (1922)
The Master Mind of Mars (1927)
A Fighting Man of Mars (1930)
Swords of Mars (1934)
Synthetic Men of Mars (1939)
Llana of Gathol (1941)
John Carter of Mars (1964, two stories from 1940 and 1943)
Tarzan of the Apes (1912)
The Return of Tarzan (1913)
The Beasts of Tarzan (1914)
The Son of Tarzan (1915)
Tarzan and the Jewels of Opar (1916)
Jungle Tales of Tarzan (stories 1916–1917)
Tarzan the Untamed (1919)
Tarzan the Terrible (1921)
Tarzan and the Golden Lion (1922)
Tarzan and the Ant-Men (1924)
Tarzan, Lord of the Jungle (1927)
Tarzan and the Lost Empire (1928)
Tarzan at the Earth's Core (1929)
Tarzan the Invincible (1930)
Tarzan Triumphant (1931)
Tarzan and the City of Gold (1932)
Tarzan and the Lion Man (1933)
Tarzan and the Leopard Men (1932)
Tarzan's Quest (1935)
Tarzan the Magnificent (1936)
Tarzan and the Forbidden City (1938)
Tarzan and the Foreign Legion (1947, written in 1944)
Tarzan and the Tarzan Twins (1963, collects 1927 and 1936 children's books)
Tarzan and the Madman (1964, written in 1940)
Tarzan and the Castaways (1965, stories from 1940 to 1941)
Tarzan: The Lost Adventure (1995, rewritten version of 1946 fragment, completed by Joe R. Lansdale)
At the Earth's Core (1914)
Pellucidar (1915)
Tanar of Pellucidar (1929)
Tarzan at the Earth's Core (1929)
Back to the Stone Age (1937)
Land of Terror (1944, written in 1939)
Savage Pellucidar (1963, stories from 1942)
Pirates of Venus (1932)
Lost on Venus (1933)
Carson of Venus (1938)
Escape on Venus (1946, stories from 1941 to 1942)
The Wizard of Venus (1970, written in 1941)
The Land That Time Forgot (1918)
The People That Time Forgot (1918)
Out of Time's Abyss (1918)
Part I: The Moon Maid (1923, serialized in Argosy, May 5 – June 2, 1923)
Part II: The Moon Men (1925, serialized in Argosy, February 21 – March 14, 1925)
Part III: The Red Hawk (1925 serialized in Argosy, September 5–19, 1925)
These three texts have been published by various houses in one or two volumes. Adding to the confusion, some editions have the original (significantly longer) introduction to Part I from the first publication as a magazine serial, and others have the shorter version from the first book publication, which included all three parts under the title The Moon Maid.
The Mucker (1914)
The Return of the Mucker (1916)
The Oakdale Affair (1918)
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