17 books • 2 series
Book #1: Operator 5 #1
Book #2: Operator 5 #2
Book #3: Operator 5 #3
Book #4: Operator 5 #4
Book #5: Operator 5 #5
Book #3: The Spider #3
Book #4: The Spider #4
Book #5: The Spider #5
Book #6: The Spider #6
Book #7: The Spider #7