Boek 1
World's End
Upton Sinclair
Boek 2
Between Two Worlds
Upton Sinclair
Boek 3
Dragon's Teeth
Upton Sinclair
Boek 4
Wide Is the Gate
Upton Sinclair
Boek 5
Presidential Agent
Upton Sinclair
Boek 6
Dragon Harvest
Upton Sinclair
Boek 7
A World to Win
Upton Sinclair
Boek 8
Presidential Mission
Upton Sinclair
Boek 9
One Clear Call
Upton Sinclair
Boek 10
O Shepherd, Speak!
Upton Sinclair