Star Trek: Double Helix

Star Trek: Double Helix is the omnibus edition of the miniseries Double Helix. It contains the following novels:
# 
# Vectors 
# Red Sector
# 
# Double or Nothing 
# The First Virtue
==Summary==
;From the book jacket
:Like a strand of mutating DNA, a deadly conspiracy winds its way through the Alpha Quadrant, even as it stretches across several years of Starfleet history. This special omnibus volume contains the entire bestselling saga – by some of Star Treks most popular authors: 
:Book One: 
:John Gregory Betancourt 
:Deanna Troi's life is endangered by a mysterious plague that threatens to spread throughout the Federation and beyond! 
:Book Two: Vectors
:Dean Wesley Smith & Kristine Kathryn Rusch
:On the Cardassian space station known as Terok Nor, Dr. Katherine Pulaski struggles to heal the planet Bajor! 
:Book Three: Red Sector
:Diane Carey
:An elderly Dr. McCoy reunites with Ambassador Spock to save the Romulan royal family – and a new generation!
:Book Four: ''
:John Vornholt
:Lieutenant Tom Riker joins forces with the outlaw Maquis to rescue a world in peril!
:Book Five: Double or Nothing
:Peter David
:Along with Captain Mackenzie Calhoun of the Starship Excalibur, Jean-Luc Picard tracks the deadly contagion to its source!
:Book Six: The First Virtue
:Michael Jan Friedman & Christie Golden
:Years before commanding the U.S.S. Enterprise, a young Picard must prevent a war – and witness the secret origin of a diabolical threat that would someday menace all he cares for!
Double Helix