Empire and Ecolitan
L. E. Modesitt Jr.
Ecolitan Matter (2.50)
The Ecologic Secession
Ecolitan Matter (2)
The Ecologic Envoy
Ecolitan Matter (3)
Ecolitan Prime
Ecolitan Matter (4.50)
The Ecolitan Operation
Ecolitan Matter (1)
The Ecolitan Enigma
Ecolitan Matter (4)