By Edgar Rice Burroughs
ReadOasis Step 2
(Part 4)

Cover art by Frank E. Schoonover

The creature with the spear was huge. There were many other similar creatures. They were riding on the backs of large animals. Each of them carried strange-looking weapons.

The one with the large spear got down from his animal and began walking towards me. He was almost five meters tall and had dark green skin. Huge teeth stuck out of his ...