
SOMETIMES, EVEN NATURE MAKES MISTAKES

BOOK 1 IN THE UNIT 51 TRILOGY
THEY ARE NOT HUMAN
At a research station in Antarctica, five of the world’s top scientists have been brought together to solve one of the greatest mysteries in human history. Their subject, however, is anything but human…
THEY ARE NOT NATURAL
Deep beneath the ice, the submerged ruins of a lost civilization hold the key to the strange mutations that each scientist has encountered across the globe: A misshapen skull in Russia. The grotesque carvings of a lost race in Peru. The mummified remains of a humanoid monstrosity in Egypt…
THEY ARE NOT FRIENDLY
When a series of sound waves trigger the ancient organisms, a new kind of evolution begins. Latching onto a human host—crossbreeding with human DNA—a long-extinct life form is reborn. Its kind has not walked the earth for thousands of years. Its instincts are fiercer, more savage, than any predator alive. And its prey are the scientists who unleashed it, the humans who spawned it, and the tender living flesh on which it feeds…
“Thriller powerhouse McBride begins his Unit 51 series…neatly executes a sudden shift of mood and tone toward frantic horror when the story flips into a race to escape from savage human-alien hybrid predators in a confined space, evoking feelings of shock and terror.” —Publishers Weekly
“This novel is for everyone who’s still a little scared of the dark … a very good sci-fi/thriller.” —The Oklahoman
“McBride’s style brings to mind both James Rollins and Michael Crichton.” —Sci-Fi & Scary
“As the first in the series, Subhuman rises above the usual primary series entry in its depiction not only of the authenticity of its characters but also in the scientific basis of its plot.” —New York Journal of Books