It estimates that at the time, the Klan had raised over five million dollars, all to support the 'invisible empire'.

And so he had built his invisible empire albeit in a profoundly illegal manner.

The allure of the "invisible empire" and its public anonymity were also appeals for potential Klansmen.

It picked up directly from the story where the previous book, The Invisible Empire, ended.

The wealth of Alvin Drame told how he had built his invisible empire.

Though the supercrook might actually govern an invisible empire of crime, his thrust, if over frequent, could prove disastrous.

Then - and then only - will the ruler of the invisible empire of these Chinese give the word.

If Hollister is actually a big shot, controlling an invisible empire, how do you account for these numerous mob battles?

For the first hour of the rally, the Klan had lived up to its billing as the Invisible Empire.

What you're trying to do, all you uplifters and organizators, is to set up an Invisible Empire that'll be higher than the elected Government.