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Published at $16.99 Your Price $5.95 (Save $11.04)


Novel. When Unit Four--a biological soft robot built and stored high above the Jovian atmosphere--is activated for the first time, it's in crisis mode. Aliens are attacking the helium-3 mine it was created to oversee, and now Unit Four's sole purpose is to defend Earth's largest energy resource from the invaders in ship to ship combat.

Format: Paperbound
Pages: 370
Publisher: HarperCollins
ISBN: 9780062895745
Item #: 7730071

Published at $16.99 Your Price $5.95 (Save $11.04)

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