James Rollins books in order
15 books in the catalogue, about 138 hours of reading in all; the shortest takes 7 hours and the longest 14 hours.
1 series and 11 standalone books in the catalogue.
Sigma Force
14 books 1 Sandstorm length not known
2 
Map of Bones 9.9 h 3 
Black Order 9.3 h 4 The Judas Strain length not known
5 The Last Oracle length not known
6 
The Doomsday Key 7.9 h 7 The Devil Colony length not known
The Skeleton Key length not known
8 Bloodline length not known
9 The Eye of God length not known
10 The 6th Extinction 8.2 h 11 The Bone Labyrinth length not known
12 The Seventh Plague length not known
14 
Crucible 8.8 h 
