In 2006, Janzen’s husband of the 15 years left her for a man, and she suffered serious injuries in car accident a few days later. While on sabbatical from her teaching position, she went home to her Mennonite family in Fresno, California to heal from these crises. These experiences are recounted in her memoir Mennonite in a Little Black Dress.
Her second memoir, "Mennonite Meets Mr. Right", tells the story of her experiences surviving breast cancer, becoming a stepmom, and attending her new husband’s Pentecostal church.
In addition to her memoir, Janzen is the author of Babel’s Stair, a collection of poetry.