15 books • 4 series
Book #1: Stolen Future
Book #2: Coded Red
Book #3: Origin Loop
Book #1: Vault's Promise
Book #1: Altered
Book #2: Brink
Book #3: Dormant
Book #4: Salvage
Book #1: Steel Guardian
Book #2: Steel Defender
Book #4: Steel Siege
Book #5: Steel Soldier
Book #6: Steel Legacy