Mysteries of Unexplored Worlds #7

An anthology issue containing at least two science fiction and mystery stories. "The Talking Dog" features Bob and Margo Packard, whose boring life changes when they encounter a dog that can speak, leading to unexpected complications. "Second Hand" involves police investigating a puzzling case of missing persons from various walks of life who have vanished without explanation and then mysteriously reappeared, presenting authorities with an inexplicable mystery to solve.