Jacob Brewer is a virtual reality engineer, overseeing the time machine's operation aboard the starship Aspera. But on the thousand-year voyage to Beta Hydrii, the eight-hundred member crew gets more reality than they expect when people entering the machine start to die.

Joe Haldeman is a Vietnam veteran whose classic novels The Forever War and Forever Peace both have the rare honor of winning the Hugo and Nebula Awards. He has served twice as president of the Science Fiction Writers of America and is currently an adjunct professor teaching writing at the Massachusetts Institute of Technology.