Jerry Ahern (Axel Kilgore) is a science fiction and action author best known for his post-apocalyptic survivalist series The Survivalist. These pulp novels have sold more than 3.5 million copies worldwide. He also authored the gut-wrenching, action-packed series, They Call Me the Mercenary under the pseudonym Axel Kilgore. Along with his wife, Sharon, he is co-author of over eighty internationally-published novels.