Queen La (Tarzan) first appeared in the second
Tarzan novel, The Return of
Tarzan (1913), and reappeared in the fifth,
Tarzan and the Jewels of Opar (1916), the ninth,
Tarzan and the Golden Lion (1923), and the fourteenth,
Tarzan the Invincible (1930). She is also mentioned in the juvenile
Tarzan story
Tarzan and
the Tarzan Twins, with Jad-Bal-Ja, the Golden Lion (1936), the events of which occur between
Tarzan and the Golden Lion and
Tarzan the Invincible.