Hard on the heels of a Martian mutiny, Federation of Galaxy Explorer's Kaylee Autumn prepares for an interplanetary visitor-a mountain-size comet making a close pass of Mars. Pieces of the comet's tail dig deep furrows in the Martian soil near the Base and provide possible evidence of alien life But when the students fall sick one by one, could an alien life-form be responsible?
ThriftBooks sells millions of used books at the lowest everyday prices. We personally assess every book's quality and offer rare, out-of-print treasures. We deliver the joy of reading in recyclable packaging with free standard shipping on US orders over $15. ThriftBooks.com. Read more. Spend less.