Lost Days

A designer plague threatens every living thing on earth... and a desperate world sends two 21st-century soldiers back in time to win a war lost six thousand years ago.

Now, in the thrilling follow-up toFirst Dawn and Second Fire, Lieutenant Launa O'Brian and Captain Jack Walking Bear return from 4,000 B.C. - and discover a radically changed civilization, and a society infested with a different sort of plague.