The 24th century needs heroes—teenaged heroes from our time.
But now you need to prepare yourself for a great shock. You’re not in New York, and you’re not in 1999. This is the future.

Variants

(1)
  1. Out of Time by David Brin (1999).
  2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . written by David Brin