1. Tarzan of the Apes (1912) by Edgar Rice Burroughs
Tarzan and the Tarzan Twins, with Jad-Bal-Ja, the Golden Lion (1936) by Edgar Rice Burroughs
1. Tarzan and the Silver Globe (1964) by Barton Werper
2. The Return of Tarzan (1913) by Edgar Rice Burroughs
2. Tarzan and the Cave City (1964) by Barton Werper
3. The Beasts of Tarzan (1914) by Edgar Rice Burroughs
3. Tarzan and the Snake People (1964) by Barton Werper
4. The Son of Tarzan (1915) by Edgar Rice Burroughs
4. Tarzan and the Abominable Snowmen (1965) by Barton Werper
5. Tarzan and the Jewels of Opar (1916) by Edgar Rice Burroughs
5. Tarzan and the Winged Invaders (1965) by Barton Werper
6. Jungle Tales Of Tarzan (1917) by Edgar Rice Burroughs
     aka Tarzan's Jungle Tales
7. Tarzan the Untamed (1920) by Edgar Rice Burroughs
8. Tarzan the Terrible (1921) by Edgar Rice Burroughs
9. Tarzan and the Golden Lion (1923) by Edgar Rice Burroughs
10. Tarzan and the Ant Men (1924) by Edgar Rice Burroughs
11. The Tarzan Twins (1926) by Edgar Rice Burroughs
12. Tarzan, Lord of the Jungle (1928) by Edgar Rice Burroughs
13. Tarzan and the Lost Empire (1929) by Edgar Rice Burroughs
14. Tarzan the Invincible (1931) by Edgar Rice Burroughs
15. Tarzan Triumphant (1932) by Edgar Rice Burroughs
16. Tarzan and the City of Gold (1933) by Edgar Rice Burroughs
17. Tarzan and the Lion Man (1933) by Edgar Rice Burroughs
18. Tarzan and the Leopard Men (1935) by Edgar Rice Burroughs
19. Tarzan's Quest (1935) by Edgar Rice Burroughs
20. Tarzan and the Forbidden City (1938) by Edgar Rice Burroughs
21. Tarzan the Magnificent (1939) by Edgar Rice Burroughs
22. Tarzan and the Foreign Legion (1947) by Edgar Rice Burroughs
23. Tarzan and the Madman (1964) by Edgar Rice Burroughs
24. Tarzan and the Castaways (1965) by Edgar Rice Burroughs
Tarzan and the Amazons (1977) by Jeff Skelley

Tarzan Alive: A Definitive Biography of Lord Greystoke (1972) by Philip José Farmer
The Lost Adventure (1995) by Edgar Rice Burroughs and Joe R Lansdale
The Dark Heart of Time (1999) by Philip José Farmer