The Green Age of Asher Witherow is the debut novel of M. Allen Cunningham, published in 2004. It is the story of Asher Witherow, a boy born in the coal mining town of Nortonville, California in 1863. The story is framed as a memoir of sorts, penned by the elderly Witherow in the spring of 1950, long after the book's events occurred, and many years after the community of Nortonville ceased to exist. Witherow, a mysterious and haunted old man of 86, shares the troubling story of his life from birth to age 20, when he left Nortonville. Central to the tale is the image of the 4,000 foot Mount Diablo, which assumes a symbolic presence for Witherow. The book's title is inspired by the poem The Force That Through the Green Fuse Drives the Flower by Dylan Thomas, which begins: