20 books • 6 series
Book #4: Holiday
Book #6: Down Under
Book #7: God's Executioner
Book #8: Combat Zone
Book #9: Alone
Book #2: Broken Hearts
Book #3: Smuggling Blood
Book #4: Piraha
Book #10: 4th And Goal
Book #1: The Mantis
Book #1: The System
Book #2: Vertra's Revenge
Book #3: Another Day