God Made All of Me: A Book to Help Children Protect Their Bodies by Justin and Lindsey Holcomb
God Made Boys and Girls: Helping Children Understand the Gift of Gender by Marty Machowski
God Made Babies: Helping Parents Answer the Baby Question by Justin and Lindsey Holcomb
Talk Now and Later: How to Lead Kids Through Life's Tough Topics by Brian Dollar
How to Talk With Your Kids About Sex by Rodney and Traci Wright
Digital Natives: Raising an Online Generation by Bryan Roberts and Heather Kolb

Healthy Sexuality/Marriage

Rethinking Sexuality: God’s Design and Why it Matters by Dr. Juli Slattery
Secrets of Sex and Marriage: 8 Surprises That Make All the Difference
  by Shaunti Feldhahn and Dr. Michael Sytsma
Intended for Pleasure by Ed Wheat M.D. and Gaye Wheat
The Meaning of Marriage: Facing the Complexities of Commitment with the Wisdom of God by Timothy and Kathy Keller

Singles/Young Adult

Rethinking Sexuality: God’s Design and Why it Matters by Dr. Juli Slattery
Single, Dating, Engaged, Married: Navigating Life and Love in the Modern Age by Ben Stuart
Boundless Blog Articles about everything from why you should wait to dangers of pornography.

Sexual Sin

Embodied: Transgender Identities, the Church, and What the Bible Has to Say by Preston Sprinkle
Homosexuality and the Christian: A Guide for Parents, Pastors, and Friends by Mark A. Yarhouse, PsyD
Gay Girl, Good God: The Story of Who I Was, and Who God Has Always Been by Jackie Hill Perry
Setting Us Free: An Unexpected Journey of Grace by Nick J Stumbo
Unwanted: How Sexual Brokenness Reveals Our Way to Healing by Jay Stringer
Accountability Software Recommendations: