Moonbound

The book opens on Earth, eleven thousand years from now. The Anth met their end long ago. (You’ll learn how and why; it is not what you expect.) How, then, do we encounter a human boy living in a village in a forested valley? And, when he is levered out of that cozy home — suspiciously cozy, it turns out — who and what will we find waiting in the new world?

That’s probably too long. Here’s another attempt, a bit shorter:

The year is 13777. There are dragons on the moon.