Cetaganda - Bujold
The latest installment of the Hugo-award winning adventures of Miles Vorkosigan, in which Miles and Cousin Ivan go to Cetaganda to play the part of sprigs of the nobility doing their diplomatic duty by good old barrayar, this book finds Miles trying to play detective in a strange, complicated, and deceptively alien culture. When the Cetagandan empress dies, Miles Vorkosigan and his cousin Ivan are sent to Cetaganda for her funeral as diplomatic representatives of Barrayar. Upon arrival, the two men are inexplicably attacked by a servant of the late empress. When the same servant turns up dead the next day, Miles and Ivan find themselves in the middle of a mystery.