Start with high-confidence marriage & family books, then narrow by subgenre or adjacent topics.
The Art of Loving
Erich Fromm, Nathan McMillan
This Is How Your Marriage Ends
Matthew Fray, Rob Shapiro
It Begins With You
Jillian Turecki, HarperOne
Marriage and Family: the Quest for Intimacy
Robert Lauer, Jeanette Lauer
Don't Burn Your Own House Down
Lindsey Maestas
The Intimate Animal
Justin R. Garcia PhD PhD, Matt Godfrey
The New Rules of Marriage
Terrence Real
Prenups for Lovers
Arlene Dubin
The Ties That Bind (routledge Revivals)
Carol Smart
Fair Play: Reese's Book Club
Eve Rodsky
The Great Divorce
Ilyon Woo, Suzanne Toren
Buying a Bride
Marcia A. Zug
All the Single Ladies
Rebecca Traister
Subjectified
Suzannah Weiss, Kate Zane
The Marriage You Want
Sheila Wray Gregoire, Dr. Keith Gregoire
Happiness and Marriage
Elizabeth Towne
Love in a F*cked-up World
Dean Spade, Algonquin Books
Hannah's Children
Catherine Pakaluk
The Turnaway Study
Diana Greene Foster Ph.D, Diana Greene Foster
Elizabeth (Jones) Towne