Calling Tower - Epic new science fiction by Josh Leone

Calling Tower - Epic new science fiction by Josh Leone
https://www.amazon.com/Calling-Tower-Saga-Book-ebook/dp/B01BDPBSAG

In the distant future the Human Primacy, led by the Council of Callers, rules the galaxy.  But now one Caller has embarked upon a mad plan to elevate himself beyond all others.  It's up to a small band of unlikely heroes to stop him before it's too late!

"A promising start to a serious-minded space-opera epic." - Kirkus Reviews