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An enigma from the distant past threatens the future of the galaxy!

Doors Into Chaos is a Pocket TNG novel – the third novel in the Gateways series – written by Robert Greenberger. Published by Pocket Books, it was first released in September 2001.


From the book jacket
More than 200,000 years ago, the ancient Iconians created a network of interdimensional Gateways providing instantaneous transportation across unimaginable distances. Once known as the "Demons of Air and Darkness," the Iconians mysteriously vanished many millennia ago, never to return – or so it was believed.
Summoned to an emergency briefing at Starfleet Headquarters, Captain Jean-Luc Picard is stunned to discover that the legendary Iconians have returned at last, and are offering to sell the secrets of their advanced technology to the Federation. To prove their sincerity, they have reactivated their long-abandoned Gateways, but the results have been strife and chaos throughout the entire Alpha Quadrant. Now Picard and his crew must contend with feuding Klingons and Romulans as the captain seeks to discover the sinister truth behind the Iconians' unexpected rebirth!

Excerpts of copyrighted sources are included for review purposes only, without any intention of infringement.

Background information

  • Author Greenberger devised the concept for the crossover series, and was asked to do the TNG entry as it would be "the lynch-pin to the event". He noted that the story "was inspired by The Magnificent Seven as Picard had sought out allies from around space". He also enjoyed writing the sequences with Deanna Troi commanding the Marco Polo. (Voyages of Imagination, p. 448)
  • This novel has a cliffhanger conclusion, which is resolved in the What Lay Beyond short story "The Other Side".


Jean-Luc Picard


Deanna Troi 
acting captain of the starship Marco Polo.
Carter Brisbayne 
Starfleet captain, of the USS Mercury.


Vulcan, captain of USS T'Kumbra.
Klingon, captain of IKS Chargh.
Klingon, captain of IKS Qob.
Romulan, commander of Glory.

Taleen. (VOY: "Displaced")


Bractor. (TNG: "Peak Performance")

Ferengi, DaiMon of the Kreechta.
Federation President
Other novels establish that the president at this time is the Bolian male, Min Zife (β).


Romulan ship.
IKS Chargh 
Klingon K't'inga-class warship, commanded by Captain Grekor.
USS da Vinci 
Federation starship (Star Trek: Starfleet Corps of Engineers)
Ship which was used to represent an Iconian craft in the ruse perpetrated by the Petraw.
USS Exeter 
Federation starship.
Romulan ship, commanded by Commander Desan.
Ferengi marauder commanded by Bractor.
USS Mercury 
Saber-class Federation starship commanded by Captain Brisbayne.
USS Marco Polo 
Sabre-class Federation starship, temporarily commanded by Commander Troi.
species that impersonated the Iconians
IKS Qob 
Klingon K't'inga-class warship, commanded by Captain Tarnan.

USS T'Kumbra docked at DS9 (DS9: "Take Me Out to the Holosuite")

USS T'Kumbra 
Federation starship commanded by Solok.

External link

Previous novel: Series Next novel:
#2: Chainmail (Challenger) Star Trek: Gateways #4: Demons of Air and Darkness (DS9)
Section 31 #2: Rogue Pocket TNG
Unnumbered novels
 Immortal Coil