Tarzan the Invincible Author:Edgar Rice Burroughs Tarzan the Invincible is a novel written by Edgar Rice Burroughs, the fourteenth in his series of books about the title character Tarzan. The novel was originally serialized in the magazine Blue Book from October, 1930 through April, 1931 as "Tarzan, Guard of the Jungle." — Edgar Rice Burroughs (September 1, 1875 ? March 19, 1950) was an American... more » writer best known for his creations of the jungle hero Tarzan and the heroic Mars adventurer John Carter, although he produced works in many genres.« less