Alien Marauders Invade the Earth Strange flying globes -- unfathomable aliens from the Fourth Dimension -- appear suddenly over major cities, raining destruction and death on defenseless millions!
Genre: Science Fiction
Genre: Science Fiction
Used availability for George Allan England's The Empire in the Air
Paperback Editions
August 2006 : USA Paperback
Kindle Editions
October 2012 : USA, Canada, UK Kindle edition