Mary Ellen Erickson, PhD, grew up on a farm in North Dakota. She spent forty years as a teacher and counselor in North Dakota. Besides the Peanut Butter Club Mysteries, Erickson has published three...view moreMary Ellen Erickson, PhD, grew up on a farm in North Dakota. She spent forty years as a teacher and counselor in North Dakota. Besides the Peanut Butter Club Mysteries, Erickson has published three children’s picture books, two adult nonfiction books, and three adult novels.view less