Covered Walkway 1: Non-Bird Dinosaurs

Real-life wyverns, “raptors” that convergently evolved into “tyrannosaurs,” and entirely unheard-of new groups. Rich paleontological knowledge, bold imaginings grounded in science, and cool, objective prose record everything that happens in this time and place. The series’ central cause is a gray-black disk that appeared on Earth. It is a clever way around the ironclad prohibition on faster-than-light travel, and it has the ability to transport things. What did it transport? Read on and find out.