Using Your World Building

One last thing before I head for the airport ...

On my last how-to writing post, I talked about using your characters' backstories in a book. Now I'll address a related topic, how to incorporate your world-building into a novel. I won't get into how to do the world building because that's its own topic that probably could fill dozens of posts. But once you've done that work, how do you fit it into a story without writing an encyclopedia entry and boring your readers to death?

As with the character