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