In her books and plays Bornstein, a transgender activist, argues the need for the acceptance of nontraditional gender roles, meaning those not defined as either male of female. In her book "Gender Outlaw: On Men, Women, and the Rest of Us," she writes about her sex-change experience and her view of society's conceptions of gender. She has also written the novel (with co-author Caitlin Sullivan) "Nearly Roadkill."