The Son of Tarzan is a novel by American writer Edgar Rice Burroughs, the fourth in his series of twenty-four books about the title character Tarzan. It was written between January 21 and May 11, 1915, and first published in the magazine All-Story Weekly as a six-part serial from December 4, 1915 to January 8, 1916. It was first published in book form by A. C. McClurg and Co. in March 1917 and has been reprinted numerous times since by various publishers. In this novel, for the first and only time in the Tarzan series, the main character is not Tarzan himself but his son Jack, who becomes known as Korak, first introduced (as a baby) in the earlier novels The Eternal Lover (1914/15) and The Beasts of Tarzan (1914).