Feiffer has written two novels (1963's Harry the Rat with Women, 1977's Ackroyd) and several children's books, including Bark, George, Henry, The Dog with No Tail, A Room with a Zoo, The Daddy Mountain, and A Barrel of Laughs, a Vale of Tears.
Feiffer on kirjoittanut myös kaksi romaania, Harry the Rat with Women (1963) ja Ackroyd (1977), sekä useita lastenkirjoja kuten Henry, The Dog with No Tail, A Room with a Zoo, The Daddy Mountain ja A Barrel of Laughs, a Vale of Tears.