21 books • 4 series
Book #1: Savage City
Book #2: Beastly Kingdom
Book #3: Brutal Fortress
Book #1: Song of Blood & Stone
Book #2: Whispers of Shadow & Flame
Book #3: Cry of Metal & Bone
Book #4: Requiem of Silence
Book #1: The Cupid Mixup
Book #2: The Cupid Getaway
Book #3: The Cupid Complication
Book #4: The Cupid Fiasco
Book #1: Angelborn
Book #2: Angelfall