Hindsight - Jack Howard - Bog

The Earth has been poisoned by war and mankind is dying. Those left in this harsh world struggle in a failing attempt to survive, fighting off roving groups whose way of life is theft and butchery. Bill Stratton, a born survivor, has become an expert bandit killer. He is the perfect man for a perilous mission. Recruited by a mysterious leader with extraordinary abilities, he reluctantly agrees to go. Can he face near impossible odds, and his own demons, to travel across space and time to save the human race from certain extinction?