10 books • 2 series
Drenna Steel Series (Drenna Steel Thrillers, #1)
Dark Reckoning (Drenna Steel Thrillers, #3)
The Ezekiel Code (Delphi Group, #7)
The Anomaly (Delphi Group, #6)
The Chamber (Delphi Group, #5)
The Island (Delphi Group, #4)
Betrayal (Delphi Group, #3.5)
The Hades Conspiracy (Delphi Group, #3)
The Portal (Delphi Group, #2)
The Signal (Delphi Group, #1)
