The Air Makers — Eero Tarik

In a future far, far away, human society dwells underground. The Airmakers are the most essential in society, but they live at the bottom of the ladder, barely surviving so that the elite may prosper. One day Erik stumbles upon a secret path that changes their world forever.
Eero Tarik is one of the world's most prolific short story writers, as well as being a playwright and music artist.