William MacLeod Raine (1871—1954), was a British-born American novelist who wrote fictional adventure stories about the American Old West.

Excerpt
Day was breaking in the Panhandle. The line-rider finished his breakfast of buffalo-hump, coffee, and biscuits. He had eaten heartily, for it would be long after sunset before he touched food again.
Cheerfully and tunelessly he warbled a cowboy ditty as he packed his supplies and prepared to go.