DWELLERS IN THE CRUCIBLE
Warrantors of Peace: the Federation's daring experiment to prevent war among its members. each Warrantor, man or woman is hostage for the government of his native world -- and is instantly killed if that world breaks the peace.
Now Romulans have kidnapped six Warrantors, to foment political chaos -- and then civil war -- within the Federation. Captain Kirk must send Sulu to infiltrate Romulan territory, find the hostages, and bring them back alive -- before the Federation self-destructs!

Margaret Wander Bonanno (1950-2021) was the bestselling author of Star Trek: Burning Dreams; Star Trek: The Lost Era: Catalyst of Sorrows; Star Trek: Dwellers in the Crucible; and Star Trek: Strangers from the Sky, as well as two science fiction trilogies, The Others and Preternatural.