Mr. Penumbra's 24-Hour Bookstore (Mr. Penumbra's 24-Hour Bookstore, #1)

by Robin Sloan

but that doesn’t mean you shouldn’t try. We have new capabilities now—strange powers we’re still getting used to. The mountains are a message from Aldrag the Wyrm-Father. Your life must be an open city, with all sorts of ways to wander in.