The first four Typhon Pact novels plus my novella The Struggle Within aren't really a single unified story, but a loose crossover in the vein of the earlier Invasion! or Section 31 books, or the TNG & DS9 Maquis episodes that set up Voyager -- a group of standalone tales whose common thread is that they all involve different groups dealing separately with the same entity. The idea was to do something in the vein of Worlds of Deep Space Nine, a vehicle to delve more deeply into various alien cultures that were still mysterious, like the Breen, Tzenkethi, Gorn, and Tholians -- with the more familiar Romulans included because they weren't featured in WoDS9, I guess, or maybe just as an anchor for the more obscure ones. They all advance different threads of the post-NEM continuity, some more than others, but they tell independent stories set at different times, and weren't even released in chronological order. However, the next couple of books under the TP branding, Plagues of Night and Raise the Dawn, were more of a unified story arc continuing on the previous volumes and leading into The Fall. But Brinksmanship, the other book under the TP label, was another fairly standalone tale.