Hunter patrol

Even when it’s undertaken with the best of intentions, time travel can cause more problems than it solves. The unforeseen consequences begin to unfold when protagonist Benson wakes up in a strange time and place and finds himself tasked with a seemingly impossible mission.

Many men have dreamed of world peace, but none have been able to achieve it. If one man did have that power, could mankind afford to pay the price? From Amazing Stories, May 1959.