Finished reading β€œThe Observers (The Human Division Book 9)” by John Scalzi, first published March 12th 2013.

The Observers

Goodreads

In an effort to improve relations with the Earth, the Colonial Union has invited a contingent of diplomats from that planet to observe Ambassador Abumwe negotiate a trade deal with an alien species. Then something very bad happens to one of the Earthings, and with that, the relationship between humanitys two factions is on the cusp of disruption once more. Its a race to find out what really happened, and who is to blame.