Star Trek: Voyager - Dark Matters
Star Trek: Voyager – Dark Matters is a trilogy of Pocket VOY novels written by Christie Golden, and first released by Pocket Books in . The trilogy follows up on Telek R'Mor (), who contacts  to warn of a danger that threatens two universes.

Summary 
From the book jacket
Scientific theory holds that ninety percent of all matter in the universe is "dark matter," unable to be detected by ordinary means. The gravitational force of that mysterious material ensures the continuance of all reality, but now a cosmic conspiracy plans to use excess dark matter to bring about the death of the universe.

Novels 
 VOY #19: Cloak and Dagger
 VOY #20: Ghost Dance
 VOY #21: Shadow of Heaven

cs:Star Trek: Voyager - Dark Matters
Voyager - Dark Matters