Tarzan's Quest is a novel by American writer Edgar Rice Burroughs, the nineteenth in his series of twenty-four books about the title character Tarzan. Originally serialized in six parts, as Tarzan and the Immortal Men, in The Blue Book Magazine, from October 1935 to March 1936; the first collected edition was published as the 1936 novel Tarzan’s Quest by Burroughs’ own publishing company.