Flower Shields: A Four Horsemen Novel

Meet the four horsemen: Michael, Gabrielle, Uriel and Raphael. For centuries their job has been to guard the gates of hell, making sure they never open. Without the keys, there was never any real threat. That's about to change. There are rumours on the horizon that demon followers unearthed scrolls that explain exactly how to find the lost keys. This new battle is a race to see which side locates them first.
Michael couldn't care less about the love story behind how and why the world was created. In fact, nothing matters to him other than keeping the gates to hell closed. If one of the lost keys ever fell into the wrong hands, all humanity would be doomed. He's not going to let that happen - at any cost.