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