Elsie Barbara "Peggy" Teeters, née Lang, was born in Hoboken, New Jersey. She attended what is now Montclair State University in New Jersey and married Bernard Teeters, a career army officer, with whom she had five children. She later graduated from St. Norbert College in Wisconsin. Peggy began her wide-ranging writing career creating radio and television scripts for public stations in Washington, DC, while working as a substitute teacher in Arlington, Virginia. In 1963, she published her first book, This Is the Army, Mrs. Jones, co-authored with her friend Thelma Brown, detailing her experiences as an army wife during World War II and the Korean War, moving with her family 30 times in 22 years. She wrote a series of articles for the Atlanta Journal-Constitution called "The Life of an Army Wife," a weekly column in the 1970s for the Arlington News called "A Woman's World," and freelance articles for the Army Times, Stars and Stripes, and Highlights for Children. She published several books for young people and How to Get Started in Writing (1981). She also taught creative writing at the University of Virginia and in adult education programs.