This is a landmark anthology of four original novellas by the reigning masters of alternate history. Set in different eras, different places, and different times, these forays into “what might have been” showcases the stunning breadth and far-reaching possibilities the genre represents.

This is a landmark anthology of four original novellas by the reigning masters of alternate history. Set in different eras, different places, and different times, these forays into “what might have been” showcases the stunning breadth and far-reaching possibilities the genre represents.

Noninterference — The Survey Service was supposed to observe alien worlds, without any interference. Then, an expedition broke the rule and an entire planet was at risk! Kaleidoscope — Suppose a vampire was sent to catch Jack the Ripper? Suppose all the galaxy has starships, but hasn’t developed Earth’s military technology and firepower. And much more.Earthgrip — Young Jennifer Logan just wanted to teach Middle English, but ended up on an interstellar trading ship headed for the adventure of a lifetime.