Star Trek: Section 31 was a four-part series of crossover novels released by Pocket Books in the summer of 2001. The books cover all four major Trek television tie-in novel series (at that time), including the Original Series, Next Generation, Deep Space Nine, and Voyager.

Publishers discription

_Star Trek TOS Cloak_(novel)Cloak

They are the self-appointed protectors of the Federation. Amoral, shrouded in secrecy, answerable to no one, Section 31 is the mysterious covert operations division of Starfleet, a rogue shadow group committed to safeguarding the Federation at any cost.

Once, in order to preserve the galaxy’s fragile balance of power, Captain James T. Kirk carried out a dangerous mission to capture a cloaking device from the Romulan Star Empire. Months later, while investigating a mysterious disaster aboard a Federation starship, Kirk discovers that the same technology he obtained for the sake of peace is being put to sinister purposes. What the crew of the Enterprise uncovers will send shock waves through the quadrant, as Section 31 sets in motion a plan that could bring the major powers of the galaxy to their knees.

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Publishers discription

_Star Trek TNG Rogue_novelRogue

They are the self-appointed protectors of the Federation. Amoral, shrouded in secrecy, answerable to no one, Section 31 is the mysterious covert operations division of Starfleet, a rogue shadow group committed to safeguarding the Federation at any cost.

Six months before their battle against the Borg for the fate of Earth, Captain Jean-Luc Picard and the crew of the USS Enterprise-E face a very different kind of crisis. A world in turmoil becomes the focal point of conspiracies and betrayal as an unexpected reunion brings with it startling revelations. Old friends become bitter enemies and one young officer reaches a crossroad when he’s forced to choose between the greater good of the Federation and the ideals for which it stands.

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Publishers discription

_Star Trek VGR -ShadowShadow

They are the self-appointed protectors of the Federation. Amoral, shrouded in secrecy, answerable to no one, Section 31 is the mysterious covert operations division of Starfleet, a rogue shadow group committed to safeguarding the Federation at any cost.

Someone or something is trying to kill Seven of Nine. As the crew races against time to save millions of refugees from an imminent stellar cataclysm, the former Borg becomes the target of several seemingly random but potentially lethal “accidents.” The investigation reveals a truth more terrifying than anyone ever imagined, as Captain Kathryn Janeway and the crew of the Starship USS Voyager fight for their lives against the most unexpected enemy of all.

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Publishers discription

_Star Trek DS9 -AbyssAbyss

Section 31. They are the self-appointed protectors of the Federation. Amoral, shrouded in secrecy, answerable to no one, Section 31 is the mysterious covert operations division of Starfleet, a rogue shadow group committed to safeguarding the Federation at any cost.

Mere days after the startling events of Avatar, Doctor Julian Bashir faces his darkest nightmare when Section 31 compels him to undertake a mission to stop one of their own. But this renegade is no ordinary agent. Like Bashir, Dr. Ethan Locken is genetically enhanced, a Human superior in body and mind. But Locken dreams of remaking the galaxy in his own image – and creating a new human empire based on the example of the infamous Khan Noonien Singh.

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