A terrifying thriller for young adult fans of The Martian and paranormal space adventure that will be devoured in one heart-pounding sitting.

It’s been decades since anyone set foot on the moon. Now three ordinary teenagers, the winners of NASA’s unprecedented, worldwide lottery, are about to become the first young people in space–and change their lives forever. It’s the opportunity of a lifetime, but little do the teenagers know that something sinister is waiting for them on the desolate surface of the moon. And in the black vacuum of space…no one is coming to save them.

In this chilling adventure set in the most brutal landscape known to man, highly acclaimed Norwegian novelist Johan Harstad creates a vivid and frightening world of possibilities we can only hope never come true.

What's Inside

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A 2013 YALSA Teens Top Ten Nominee
"Scandinavian thriller meets sci-fi horror movie."—VOYA
"This irresistible premise is often intoxicating and occasionally downright terrifying.... pretty darn effective."—Booklist
"Imaginative.... Well-crafted suspense.... Interesting and original."—Kirkus Reviews
"Harstad combines the perfectly paced creepiness of classic Twilight Zone episodes with Battlestar Galactica's chilling portrayal of the vast, unknowable emptiness of space."—Romantic Times
"Creepy and bleak, Harstad's story is both psychologically and atmospherically disturbing."—Publishers Weekly
"Original, creepy, intense... 172 Hours is page-turning sci-fi that will stay with readers long after the shocking and heartbreaking conclusion."—School Library Journal
"A fascinating, suspense-filled novel that keeps the reader guessing until the end."—Library Media Connection
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