Currently in the works, the Boomerang series is hobby project that reflects the author's personal life stories from 2016 onward.
The Nightingales were tasked with one assignment - to watch over the girl named Amelia Sejler. In doing so, a grave debt owed by their group would be paid off and they would be set free from heavy chains. But while looking after her, the Nightingales face off against something beyond their control - the girl comes down with an unknown disease and dies in their care. Now Adam Rossingnol and his team must come to terms with what this loss means for their group, all the while navigating how this child had impacted their lives.