* Unplanned (2011): This is her most well-known work, a memoir about her experience working as a clinic director for Planned Parenthood and her eventual conversion to a pro-life stance. It became a bestseller and inspired the 2019 film of the same name.
* The Walls Are Talking (2013): A collection of stories from women who have changed their minds about abortion after having a personal experience with it.
* The Choice: The Abortion Issue, The Culture of Death, and the Search for Life (2014): A deeper dive into the pro-life movement and its arguments, drawing on her experiences and research.
* Their Lives Matter: An Urgent Call to Action (2017): A plea to defend the lives of unborn children and to offer support to women facing unplanned pregnancies.
* The Pro-Life Movement's Greatest Generation: Stories from the Front Lines (2019): A tribute to the individuals dedicated to the pro-life movement, featuring their stories and insights.
Besides these books, she has also written articles and essays for various publications and has spoken extensively on the topic of abortion.