In the final decades of the 21st century, mankind has colonized the moon and Mars and has created a "technological" tower of Babel. But then, without warning, mysterious anomalies that defy all the... This description may be from another edition of this product.
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.