Star Trek : Deep Space Neuf, tome 22
Dafydd Ab Hugh1998

Rumors of a secret alliance between the Dominion and the Klingon Empire lure Captain Sisko and the crew of the USS Defiant on a desperate mission into the Gamma Quadrant, leaving Deep Space Nine vulnerable to a surprise sneak attack!

Now an elite Klingon task force has seized control of the station, and only Chief O'Brien, Dr. Bashir, and Worf are left to defend Deep Space Nine. But Worf's loyalties are tested when he discoveres that the invaders include his oldest friend — and his own brother!

Titre original : Star Trek: Deep Space Nine, book 22: Vengeance (1998)