Tarzan and the Jewels of Opar (Tarzan, #5)

Tarzan and the Jewels of Opar is a novel by American writer Edgar Rice Burroughs, the fifth in his series of twenty-four books about the title character Tarzan. It first appeared in the November and December issues of All-Story Cavalier Weekly in 1916, and the first book publication was by McClurg in 1918.