The Invaders Plan: L. Ron Hubbard

Volume I of Mission Earth. An epic story told by the aliens that already walk among us. Earth is to be invaded and a Royal combat engineer must cross 22 light years to secretly infiltrate the planet. He is also crossing a scheme to use the resources of Earth's most powerful figure to overthrow the confederacy. Characters include a convicted murderess who trains giant cat-like animals, a doctor who creates human biological freaks and a madman who controls Voltar's secret police - not to mention a clandestine Earth base in Turkey. Cover art by Gerry Grace.