Lonesome Dove, Volume 1 by Larry McMurtry

WHEN JAKE FINALLY came ambling up to the house, having spent the better part of the day asleep in Lorena's bed, Augustus was already nuzzling his jug from time to time. He was sitting on the front porch, waving off flies and watching the two Irishmen, who were sleeping as if dead under the nearest wagon. They had gone to sleep in the wagon's meager shade; the shade had moved, but not the Irishmen. The boy had no hat. He slept with his arm across his face. Jake didn't even glance at them as he walked past, a fact Augustus noted. Jake had never been renowned for his interest in people unless the people were whores.

"Where's Call? " Jake asked when he got to the porch.