Crystalina Evert is the author of three books: Pure Womanhood, How to Find Your Soulmate without Losing Your Soul, and Theology of the Body for Teens. She has spoken domestically and internationally to hundreds of thousands of teenagers about the virtue of chastity and God’s plan for human sexuality. Crystalina is also on the Board of Advisors for the National Abstinence Clearinghouse. She is a frequent guest on radio programs throughout the country, and her television appearances include MSNBC, the BBC, Donahue, WGN-TV news, and EWTN. She and her husband Jason have hosted a pair of TV series for teens on EWTN: “The Pure Life” and “Theology of the Body for Teens”. The two also run the website chastity.com, which supplies free chastity resources to teens in more than forty countries