Greg Cox wrote four books that tie themselves together through the use of Khan and Gary Seven. They are all tied to the larger novelverse through the use of the flag for Khan established in the novel Section 31: Abyss
, a part of the post-finale DS9 series. (Although the depiction of the Tal Shiar in Assignment Eternity
differs somewhat from the depiction in the "Vulcan's Noun
- Assignment Eternity
- The Eugenics Wars: The Rise and Fall of Khan Noonian Singh, Volume 1
- The Eugenics Wars: The Rise and Fall of Khan Noonian Singh, Volume 2
- To Reign in Hell: The Exile of Khan Noonian Singh
Cox referenced "The Aliens Are Coming" by Dayton Ward from Strange New Worlds III
in The Eugenics Wars.
Coming late to the party . . . .
My Gary Seven books also contain a tip of the hat to some earlier Gary Seven stories written by Howard Weinstein for DC Comics. I lifted Howie's name for Seven's unseen sponsors, "The Aegis," from the comics . . . .