49 books • 8 series
Book #2: To Hell And Back
Book #4: Hell Bent
Book #6: Hell Freezes Over
Book #9: All Hell Breaks Loose
Book #1: Hunting The Past
Book #3: Hunting A Master
Book #7: Hunting A Relic
Book #8: Hunting The Dark
Book #4: Destined
Book #7: Death Returns