Passage to Paradise - J J Green - Bog

Carrie Hatchett is back. The Transgalactic Council may never be the same.
After a successful first mission, Carrie thought her job as Transgalactic Intercultural Community Crisis Liaison Officer was secure. But all bets are off when she travels to Dandrobia, a genetically engineered utopia. Beautiful and immortal, the dandrobians have been confined to their planet due their former tyrannical reign over the galaxy. Carrie must mediate between the dandrobians and their victims, the squashpumps.
But paradise isn’t all it’s cracked up to be, and, as often happens when Carrie’s around, things don’t go according to plan. Dandrobians escape to Earth, and the negotiations descend into chaos.
With the help of her long-suffering friend, Dave, Carrie must send the dandrobians home and restore peace. If she fails, it isn’t only her job at risk, because there’s more to the dandrobians than meets the eye.