Sky Island by L. Frank Baum — Read

The Blue people were by this time dazed with wonder at all the events that had transpired that eventful day, but they still had wit enough to be glad the war was over, for in war someone is likely to get hurt, and it is foolish to take such chances when one can remain quietly at home. The Blues did not especially admire the Pinkies, but it was easier to entertain them than to fight them, and above all, the Blueskins were greatly rejoiced that their wicked Boolooroo had been conquered and could no longer abuse them. So they were quite willing to obey the orders of their girl Queen and in a short time the blasts of trumpets and roll of drums and clashing of cymbals told Trot and Cap'n Bill that the Blue Bands had assembled before the palace.

So they went down and found that a great crowd of people had gathered, and these cheered Trot with much enthusiasm -- which was very different from the scowls and surly looks with which they had formerly greeted their strange visitors from the Earth.