First Edition. Jack Murray dustjacket art and illustrations. An obvious Tarzan inspired series for young adults. 'Set back a hundred thousand years ago, in the Dawn Age, the men and women of the story are equipped only with crude stone weapons and their new found friend, fire'. Og was a popular radio dramatization. Uncommon. Near Fine in Very Good dustjacket, dime sized chip at top spine end (and scotch tape at verso), soiling and modest wear.