Orbis
Roc, April 2002, 6.99, 416 pp.
ISBN 0451458745
At the height of Rome's power, the Benefactors landed on an alternate Earth and went to war with Julius Caesar's legions. Unable to defeat the Benefactors, the Romans stole their spaceships and flew to a place where they could live. After two millennia, the Romans forget where earth is located, but both the Romans and the humans remain determined to defeat the Benefactors.
The Benefactors...
