Nice lot of 4 vintage books by Edgar Rice Burroughs. Three of them Tarzan titles and the other seems like a similar adventure. Includes 1 hard cover and 3 vintage paperbacks. The hard cover is Tarzan and the Lost Safari, Whitman, 1966. Other titles include Tarzan the Terrible, Ballantine, 1963 and Tarzan and the Castaways, Ballantine 1965. Also, The Cave Girl, the savage beneath the skin, Ace, 1963.