Jerry Ahern books in order
23 books in the catalogue, about 104 hours of reading in all; the shortest takes 3 hours and the longest 9 hours.
2 series in the catalogue.
The Survivalist
19 books 1 
Total War 4.0 h 
The Doomsayer 4.1 h 5 
The Web 4.1 h 6 
The Savage Horde 3.8 h 
Earth Fire 4.4 h 10 
The Awakening 4.3 h 11 
The Reprisal 4.1 h 12 
The Rebellion 4.6 h 15.5 
Mid-Wake 8.8 h 19 
Final Rain 4.0 h 21 
...To End All War 4.1 h 
Call to Battle 4.6 h 24 
Blood Assassins 7.1 h 25 War Mountain 5.9 h
Total War 4.0 h 2 The Nightmare Begins length not known
3 The Quest 4.4 h 4 The Doomsayer 4.1 h 5 The Web 4.1 h 6 The Savage Horde 3.8 h 8 The End Is Coming length not known
9 Earth Fire 4.4 h 10 The Awakening 4.3 h 11 The Reprisal 4.1 h 12 The Rebellion 4.6 h 15.5 Mid-Wake 8.8 h 19 Final Rain 4.0 h 21 ...To End All War 4.1 h 21.5 The Legend length not known
22 Brutal Conquest 4.7 h 23 Call to Battle 4.6 h 24 Blood Assassins 7.1 h 25 War Mountain 5.9 h They Call Me the Mercenary
17 books 1 The Killer Genesis length not known
2 The Slaughter Run length not known
3 Fourth Reich Death Squad length not known
4 
The Opium Hunter 4.4 h 5 Canadian Killing Ground length not known
6 Vengeance Army 4.1 h 7 
Slave of the Warmonger 3.8 h 8 Assassin's Express length not known
9 The Terror Contract length not known
10 Bush Warfare 3.8 h 11 Death Lust! 3.5 h 12 Headshot! 4.1 h 13 Naked Blade, Naked Gun length not known
14 The Siberian Alternative length not known
15 The Afghanistan Penetration length not known
16 
China Bloodhunt 3.5 h 17 Buckingham Blowout length not known