Carcassonne game, 3rd edition, 5. Messengers and Mayors

Carcassonne 3rd Edition Expansion 5: Couriers and Mayors
In this Carcassonne expansion, players let their mayors compete for the favor of rival knights before calling them to more important duties. Clever use of couriers and scarecrows helps players extend their influence even further.
This expansion can only be used with the base Carcassonne game.
It can be combined with other expansions.