Tarzan

1 Tarzan of the Apes (1912)
2 The Return of Tarzan (1913)
3 The Beasts of Tarzan (1914)
4 The Son of Tarzan (1915)
5 Tarzan and the Jewels of Opar (1916)
6 Jungle Tales Of Tarzan (1917)
     aka Tarzan's Jungle Tales
7 Tarzan the Untamed (1920)
8 Tarzan the Terrible (1921)
9 Tarzan and the Golden Lion (1923)
10 Tarzan and the Ant Men (1924)
11 The Tarzan Twins (1926)
12 Tarzan, Lord of the Jungle (1928)
13 Tarzan and the Lost Empire (1929)
14 Tarzan the Invincible (1931)
15 Tarzan Triumphant (1932)
16 Tarzan and the City of Gold (1933)
17 Tarzan and the Lion Man (1933)
18 Tarzan and the Leopard Men (1935)
19 Tarzan's Quest (1935)
Tarzan and the Tarzan Twins, with Jad-bal-ja, the Golden Lion (1936)
20 Tarzan and the Forbidden City (1938)
21 Tarzan the Magnificent (1939)
22 Tarzan and the Foreign Legion (1947)
23 Tarzan and the Madman (1964)
24 Tarzan and the Castaways (1965)
The Lost Adventure (1995) (with Joe R Lansdale)