The Shadow Arc:

Borg of the future and Borg of the present duel over who will dominate the future, and their battleground is Deep Space Nine.

By Raymond Cooper

Doorway

The Twin Dilemma

Of Two Minds

Repeat Performance

Shadow Defense

The Dark Side Of The Force

Once More Unto The Breach

Note that what should be Part Seven, "In The Hands of the Profits", is missing. If anyone can provide me with this segment, complete, I would be eternally grateful. :-)