To Challenge Heaven

The third entry into the New York Times bestselling series, To Challenge Heaven brings another thrilling adventure from the masters of military science fiction, David Weber and Chris Kennedy. In a universe teeming with predators, humanity needs friends. And fast. We've come a long way in the forty years since the Shongairi attacked Earth, killed half its people, and then were driven away by an alliance of humans with the other sentient bipeds who inhabit our planet. We took the technology they l