Start with high-confidence christian dating for teens books, then narrow by subgenre or adjacent topics.
Every Young Woman's Battle
Shannon Ethridge, Stephen Arterburn
Questions You Can't Ask Your Mama About Sex
Craig Gross, Mike Foster
When Young Men Are Tempted
William Perkins, Randy Southern
Adored
Zondervan, Lindsay A. Franklin
Gift-wrapped by God
Linda Dillow, Lorraine Pintus
The Truth About Dating, Love, and Just Being Friends
Chad Eastham