Theories of Flight

Winner of the 2012 Philip K. Dick Award

Theorem: Petrovitch has a lot of secrets.

Proof: Secrets like how to make anti-gravity for one. For another, he's keeping a sentient computer program on a secret server farm - the same program that nearly destroyed the Metrozone a few months back.

Theorem: The city is broken.

Proof: The people of the OutZone want what citizens of the Metrozone have. And then burn it to the ground. Now, with the heart of the city destroyed …