Start with high-confidence dating books, then narrow by subgenre or adjacent topics.
It Begins With You
Jillian Turecki, HarperOne
Dogs, Boys, and Other Things I've Cried About
Isabel Klee
Boundaries in Dating
Henry Cloud, John Townsend
Boundaries in Dating Workbook
The New Rules for Love, Sex, and Dating
Andy Stanley
The Intimate Animal
Justin R. Garcia PhD PhD, Matt Godfrey
Prenups for Lovers
Arlene Dubin
Single, Dating, Engaged, Married
Ben Stuart
The New Lady in Waiting
Jackie Kendall, Debby Jones
Devotions for Dating Couples
Ben Young, Samuel Adams
What Women Wish You Knew About Dating
Stephen W. Simpson PH.
Outdated
Jonathan "JP" Pokluda, Kevin McConaghy
The Sacred Search
Gary Thomas
Sex, Dating, and Relationships
Gerald Hiestand, Jay S. Thomas
Not Yet Married
Marshall Segal
Why Men Love Bitches
Sherry Argov
Attached
Amir Levine, Rachel Heller
When God Writes Your Love Story
Eric Ludy, Leslie Ludy
Questions for Couples Journal
Maggie Reyes