The Arcane Irregulars is a companion series to the Arcane Casebook series of novels. This book takes place after the events of Hidden Voices, Arcane Casebook #9.

It’s been a year since the events of the Jade Phoenix, but its legacy is still being felt. When a magical assassin makes his presence felt in the city, Lieutenant Danny Pak has to bring in Dr. Ignatius Bell to help him track down a terrifying killer, preferably before the tabloids find out about him.