From the earliest days, humans drew on their imaginations to picture the universe. Odin's great horse Sleipnir, a strange hybrid of a giant stallion and the trickster god Loki, was one of the first ways they envisioned to travel between the nine worlds of the Norse cosmos. Strange couplings, sex and violence were there from the onset, and Odin would not have found it strange that mankind's first ventures beyond the realm of Midgard involve military applications such as spy satellites and the mysterious X37B. As we contemplate the next jump, to Mars, who knows what odd adaptations will ensue for earthly organisms that face the trip? As we delve into the future, we encounter again and again the perspectives first conjured through the eyes of the past. James and John Gaines, authors of the forthcoming adventures of Klein and Entara.