James Alan Gardner books in order
6 books in the catalogue, about 39 hours of reading in all; the shortest takes 5 hours and the longest 7 hours.
1 series in the catalogue.
League of Peoples
7 books
Expendable 6.3 h 
Commitment Hour 5.0 h 
Vigilant 7.0 h Hunted length not known
4 
Ascending 6.8 h 
Trapped 7.0 h 
Radiant 6.5 h