I'm with Skywalker (and several others in this thread). Seeds of Dissent was amazing! I just read it for the first time a few months ago. I loved Bashir in it. I'd be front and center for a full blown novel
So in this reality "Princeps Senior" Jean-Luc Picard is the commanding officer of the battleship Illustrious and a right-hand man to Khan Tiberius Sejanus Singh. If his life somewhat parallels his prime reality counterpart, then I wonder how he dealt with: the Nuyyad, DaiMon Flax, Ariel/Giriaenn, Q, the Borg, the Kamin probe, Gul Madred, and Tolian Soran?
^A Picard who wasn't an archaeologist, and who didn't live in a civilization supportive of pure scientific research, would never have discovered Ariel at all.