26 books • 4 series
Book #1: Monk
Book #1: Feathers and Blood
Book #2: Bloodstained Wings
Book #1: Angel's Phantom
Book #2: Devil's Bullet
Book #3: Hard Bullseye
Book #5: Riding Shotgun
Book #3: Vicious Angel
Book #4: Tormented Angel
Book #5: Wounded Angel