Career
Colby wrote for a variety of publications aimed at youths such as The Youth"s Companion and Saint Nicholas. He was also a regular contributor to Granite Monthly. He also wrote a series of historical books aimed primarily at children.
He was the head of Simonds Free High School in Warner, New Hampshire, from 1910 to 1915.
He was a Democrat who held a variety of local offices in Warner and ran unsuccessfully for the United States. Congress in 1908.