C.A.D.S. series
1. C.A.D.S.
- SIEVERT, JOHN
2. Tech battleground
- SIEVERT, JOHN
3. Tech commando
- SIEVERT, JOHN
4. Tech strike force
- SIEVERT, JOHN
5. Tech Satan
- SIEVERT, JOHN
6. Tech inferno
- SIEVERT, JOHN
7. Doom commander
- SIEVERT, JOHN
8. Cybertech killing zone
- SIEVERT, JOHN
9. Suicide attack
- SIEVERT, JOHN
10. Recon by fire
- SIEVERT, JOHN
11. Death zone attack
- SIEVERT, JOHN
12. Tech assassins
- SIEVERT, JOHN