The Red Hawk, the third book in Edgar Rice Burrough's Moon Sequence, follows Julian 20th, a fierce leader who commands the last remnants of humanity against the brutal Kalkars, alien invaders that have enslaved Earth under the treacherous Ortis's command. Determined to liberate his people, The Red Hawk charges into a relentless battle, leading a desperate fight for survival with his loyal steed Red Lightning by his side. The conflict escalates towards a climactic confrontation, as The Red Hawk fights tooth and nail to drive the Kalkars from Earth and restore freedom to his people.