There is something about the legged phages that epitomizes the alien nature of viruses. One phage is a must. Your Inner Lions: Get to Know Your Virome' by Carl Zimmer. ("It’s really a virus, not a lunar lander.")
Brain Cuttings: Fifteen Journeys Through the Mind by Carl Zimmer. In Brain Cuttings, award-winning science writer Carl Zimmer takes readers on fascinating explorations of the frontiers of research, shedding light on our innermost existence—the speed of thought, our perception of time, the complex flashes of electricity that give rise to fear and love, and more.