Retief: Envoy to New Worlds (Retief, #1)

Between the lines of the official histories of the frontier worlds of the 29th Century lie myriad confidential accounts of the boners, near-catastrophes, and interstellar crises that were bound to occur when human meets non-human. The adventures of CDC (Corps Diplomatique Terra) diplomat Jame Retief loom large in six highly classified missions where brain and brawn save land and lives despite red-tape bound superiors amid conspiracy and conflct across alien planets - guaranteed astounding, amazing, startling, galactic, weird, and thrillingly wonderful.
1 Protocol
2 Sealed Orders
3 Cultural Exchange
4 Aide Memoire
5 Policy
6 Palace Revolution